Home / 851,390.59-1,174,926.96-469,430.95

Finding the Fourth Proportional to 851,390.59, 1,174,926.96 and 469,430.95

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Solution

The fourth proportional to 851,390.59, 1,174,926.96 and 469,430.95 is: 647,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,390.59 : 1,174,926.96 = 469,430.95 : x
  2. Step 2: Convert to fraction form
    851,390.59/1,174,926.96 = 469,430.95/x
  3. Step 3: Cross multiply
    851,390.59x = 1,174,926.96 × 469,430.95
  4. Step 4: Simplify right side
    851,390.59x = 551,547,079,013.41
  5. Step 5: Solve for x
    x = 551,547,079,013.41/851,390.59
  6. Step 6: Final answer
    x = 647,819.09

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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.