Home / 724,498.02-999,811.74-397,825.16

Finding the Fourth Proportional to 724,498.02, 999,811.74 and 397,825.16

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Solution

The fourth proportional to 724,498.02, 999,811.74 and 397,825.16 is: 549,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,498.02 : 999,811.74 = 397,825.16 : x
  2. Step 2: Convert to fraction form
    724,498.02/999,811.74 = 397,825.16/x
  3. Step 3: Cross multiply
    724,498.02x = 999,811.74 × 397,825.16
  4. Step 4: Simplify right side
    724,498.02x = 397,750,260,436.32
  5. Step 5: Solve for x
    x = 397,750,260,436.32/724,498.02
  6. Step 6: Final answer
    x = 549,001.17

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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.