Home / 726,227.70-1,089,341.55-558,266.10

Finding the Fourth Proportional to 726,227.70, 1,089,341.55 and 558,266.10

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Solution

The fourth proportional to 726,227.70, 1,089,341.55 and 558,266.10 is: 837,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,227.70 : 1,089,341.55 = 558,266.10 : x
  2. Step 2: Convert to fraction form
    726,227.70/1,089,341.55 = 558,266.10/x
  3. Step 3: Cross multiply
    726,227.70x = 1,089,341.55 × 558,266.10
  4. Step 4: Simplify right side
    726,227.70x = 608,142,458,686.46
  5. Step 5: Solve for x
    x = 608,142,458,686.46/726,227.70
  6. Step 6: Final answer
    x = 837,399.15

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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.