Home / 745,326.14-1,028,498.19-423,042.80

Finding the Fourth Proportional to 745,326.14, 1,028,498.19 and 423,042.80

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Solution

The fourth proportional to 745,326.14, 1,028,498.19 and 423,042.80 is: 583,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,326.14 : 1,028,498.19 = 423,042.80 : x
  2. Step 2: Convert to fraction form
    745,326.14/1,028,498.19 = 423,042.80/x
  3. Step 3: Cross multiply
    745,326.14x = 1,028,498.19 × 423,042.80
  4. Step 4: Simplify right side
    745,326.14x = 435,098,754,092.53
  5. Step 5: Solve for x
    x = 435,098,754,092.53/745,326.14
  6. Step 6: Final answer
    x = 583,769.62

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1.5x scale

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.