Home / 724,274.17-999,548.87-478,832.49

Finding the Fourth Proportional to 724,274.17, 999,548.87 and 478,832.49

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Solution

The fourth proportional to 724,274.17, 999,548.87 and 478,832.49 is: 660,822.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,274.17 : 999,548.87 = 478,832.49 : x
  2. Step 2: Convert to fraction form
    724,274.17/999,548.87 = 478,832.49/x
  3. Step 3: Cross multiply
    724,274.17x = 999,548.87 × 478,832.49
  4. Step 4: Simplify right side
    724,274.17x = 478,616,473,101.71
  5. Step 5: Solve for x
    x = 478,616,473,101.71/724,274.17
  6. Step 6: Final answer
    x = 660,822.23

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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.