Home / 724,970.14-1,000,233.62-418,935.03

Finding the Fourth Proportional to 724,970.14, 1,000,233.62 and 418,935.03

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Solution

The fourth proportional to 724,970.14, 1,000,233.62 and 418,935.03 is: 578,000.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,970.14 : 1,000,233.62 = 418,935.03 : x
  2. Step 2: Convert to fraction form
    724,970.14/1,000,233.62 = 418,935.03/x
  3. Step 3: Cross multiply
    724,970.14x = 1,000,233.62 × 418,935.03
  4. Step 4: Simplify right side
    724,970.14x = 419,032,899,507.03
  5. Step 5: Solve for x
    x = 419,032,899,507.03/724,970.14
  6. Step 6: Final answer
    x = 578,000.22

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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.