Home / 528,432.58-724,753.19-506,731.90

Finding the Fourth Proportional to 528,432.58, 724,753.19 and 506,731.90

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Solution

The fourth proportional to 528,432.58, 724,753.19 and 506,731.90 is: 694,990.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,432.58 : 724,753.19 = 506,731.90 : x
  2. Step 2: Convert to fraction form
    528,432.58/724,753.19 = 506,731.90/x
  3. Step 3: Cross multiply
    528,432.58x = 724,753.19 × 506,731.90
  4. Step 4: Simplify right side
    528,432.58x = 367,255,560,999.76
  5. Step 5: Solve for x
    x = 367,255,560,999.76/528,432.58
  6. Step 6: Final answer
    x = 694,990.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.