Home / 726,030.20-1,089,045.30-370,926.20

Finding the Fourth Proportional to 726,030.20, 1,089,045.30 and 370,926.20

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Solution

The fourth proportional to 726,030.20, 1,089,045.30 and 370,926.20 is: 556,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,030.20 : 1,089,045.30 = 370,926.20 : x
  2. Step 2: Convert to fraction form
    726,030.20/1,089,045.30 = 370,926.20/x
  3. Step 3: Cross multiply
    726,030.20x = 1,089,045.30 × 370,926.20
  4. Step 4: Simplify right side
    726,030.20x = 403,955,434,756.86
  5. Step 5: Solve for x
    x = 403,955,434,756.86/726,030.20
  6. Step 6: Final answer
    x = 556,389.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.