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Finding the Fourth Proportional to 487,430.60, 730,537.02 and 336,468.06

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Solution

The fourth proportional to 487,430.60, 730,537.02 and 336,468.06 is: 504,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,430.60 : 730,537.02 = 336,468.06 : x
  2. Step 2: Convert to fraction form
    487,430.60/730,537.02 = 336,468.06/x
  3. Step 3: Cross multiply
    487,430.60x = 730,537.02 × 336,468.06
  4. Step 4: Simplify right side
    487,430.60x = 245,802,373,877.58
  5. Step 5: Solve for x
    x = 245,802,373,877.58/487,430.60
  6. Step 6: Final answer
    x = 504,281.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.