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Finding the Fourth Proportional to 623,157.30, 859,952.70 and 368,503.02

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Solution

The fourth proportional to 623,157.30, 859,952.70 and 368,503.02 is: 508,531.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,157.30 : 859,952.70 = 368,503.02 : x
  2. Step 2: Convert to fraction form
    623,157.30/859,952.70 = 368,503.02/x
  3. Step 3: Cross multiply
    623,157.30x = 859,952.70 × 368,503.02
  4. Step 4: Simplify right side
    623,157.30x = 316,895,167,007.15
  5. Step 5: Solve for x
    x = 316,895,167,007.15/623,157.30
  6. Step 6: Final answer
    x = 508,531.58

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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.