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Finding the Fourth Proportional to 662,323.40, 992,927.82 and 288,064.52

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Solution

The fourth proportional to 662,323.40, 992,927.82 and 288,064.52 is: 431,854.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,323.40 : 992,927.82 = 288,064.52 : x
  2. Step 2: Convert to fraction form
    662,323.40/992,927.82 = 288,064.52/x
  3. Step 3: Cross multiply
    662,323.40x = 992,927.82 × 288,064.52
  4. Step 4: Simplify right side
    662,323.40x = 286,027,275,862.95
  5. Step 5: Solve for x
    x = 286,027,275,862.95/662,323.40
  6. Step 6: Final answer
    x = 431,854.40

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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.