Home / 724,500.02-999,814.50-397,827.16

Finding the Fourth Proportional to 724,500.02, 999,814.50 and 397,827.16

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Solution

The fourth proportional to 724,500.02, 999,814.50 and 397,827.16 is: 549,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,500.02 : 999,814.50 = 397,827.16 : x
  2. Step 2: Convert to fraction form
    724,500.02/999,814.50 = 397,827.16/x
  3. Step 3: Cross multiply
    724,500.02x = 999,814.50 × 397,827.16
  4. Step 4: Simplify right side
    724,500.02x = 397,753,358,062.75
  5. Step 5: Solve for x
    x = 397,753,358,062.75/724,500.02
  6. Step 6: Final answer
    x = 549,003.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.