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Finding the Fourth Proportional to 724,605.60, 1,088,074.80 and 547,312.80

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Solution

The fourth proportional to 724,605.60, 1,088,074.80 and 547,312.80 is: 821,850.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,605.60 : 1,088,074.80 = 547,312.80 : x
  2. Step 2: Convert to fraction form
    724,605.60/1,088,074.80 = 547,312.80/x
  3. Step 3: Cross multiply
    724,605.60x = 1,088,074.80 × 547,312.80
  4. Step 4: Simplify right side
    724,605.60x = 595,517,265,397.44
  5. Step 5: Solve for x
    x = 595,517,265,397.44/724,605.60
  6. Step 6: Final answer
    x = 821,850.21

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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.