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Finding the Fourth Proportional to 653,353.60, 901,565.22 and 366,808

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Solution

The fourth proportional to 653,353.60, 901,565.22 and 366,808 is: 506,159.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,353.60 : 901,565.22 = 366,808 : x
  2. Step 2: Convert to fraction form
    653,353.60/901,565.22 = 366,808/x
  3. Step 3: Cross multiply
    653,353.60x = 901,565.22 × 366,808
  4. Step 4: Simplify right side
    653,353.60x = 330,701,335,217.76
  5. Step 5: Solve for x
    x = 330,701,335,217.76/653,353.60
  6. Step 6: Final answer
    x = 506,159.81

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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.