Home / 790,608.39-1,090,594.17-500,129.97

Finding the Fourth Proportional to 790,608.39, 1,090,594.17 and 500,129.97

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Solution

The fourth proportional to 790,608.39, 1,090,594.17 and 500,129.97 is: 689,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,608.39 : 1,090,594.17 = 500,129.97 : x
  2. Step 2: Convert to fraction form
    790,608.39/1,090,594.17 = 500,129.97/x
  3. Step 3: Cross multiply
    790,608.39x = 1,090,594.17 × 500,129.97
  4. Step 4: Simplify right side
    790,608.39x = 545,438,829,524.28
  5. Step 5: Solve for x
    x = 545,438,829,524.28/790,608.39
  6. Step 6: Final answer
    x = 689,897.60

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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.