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Finding the Fourth Proportional to 506,318.04, 698,700.06 and 279,967.32

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Solution

The fourth proportional to 506,318.04, 698,700.06 and 279,967.32 is: 386,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,318.04 : 698,700.06 = 279,967.32 : x
  2. Step 2: Convert to fraction form
    506,318.04/698,700.06 = 279,967.32/x
  3. Step 3: Cross multiply
    506,318.04x = 698,700.06 × 279,967.32
  4. Step 4: Simplify right side
    506,318.04x = 195,613,183,282.04
  5. Step 5: Solve for x
    x = 195,613,183,282.04/506,318.04
  6. Step 6: Final answer
    x = 386,344.49

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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.