Home / 989,246.80-1,483,870.20-723,526.30

Finding the Fourth Proportional to 989,246.80, 1,483,870.20 and 723,526.30

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Solution

The fourth proportional to 989,246.80, 1,483,870.20 and 723,526.30 is: 1,085,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,246.80 : 1,483,870.20 = 723,526.30 : x
  2. Step 2: Convert to fraction form
    989,246.80/1,483,870.20 = 723,526.30/x
  3. Step 3: Cross multiply
    989,246.80x = 1,483,870.20 × 723,526.30
  4. Step 4: Simplify right side
    989,246.80x = 1,073,619,115,486.26
  5. Step 5: Solve for x
    x = 1,073,619,115,486.26/989,246.80
  6. Step 6: Final answer
    x = 1,085,289.45

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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.