Home / 724,605.10-1,088,074.05-547,312.30

Finding the Fourth Proportional to 724,605.10, 1,088,074.05 and 547,312.30

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Solution

The fourth proportional to 724,605.10, 1,088,074.05 and 547,312.30 is: 821,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,605.10 : 1,088,074.05 = 547,312.30 : x
  2. Step 2: Convert to fraction form
    724,605.10/1,088,074.05 = 547,312.30/x
  3. Step 3: Cross multiply
    724,605.10x = 1,088,074.05 × 547,312.30
  4. Step 4: Simplify right side
    724,605.10x = 595,516,310,875.82
  5. Step 5: Solve for x
    x = 595,516,310,875.82/724,605.10
  6. Step 6: Final answer
    x = 821,849.46

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Double scale
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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.