Home / 791,417.03-1,092,159.29-428,841.55

Finding the Fourth Proportional to 791,417.03, 1,092,159.29 and 428,841.55

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Solution

The fourth proportional to 791,417.03, 1,092,159.29 and 428,841.55 is: 591,803.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,417.03 : 1,092,159.29 = 428,841.55 : x
  2. Step 2: Convert to fraction form
    791,417.03/1,092,159.29 = 428,841.55/x
  3. Step 3: Cross multiply
    791,417.03x = 1,092,159.29 × 428,841.55
  4. Step 4: Simplify right side
    791,417.03x = 468,363,275,165.50
  5. Step 5: Solve for x
    x = 468,363,275,165.50/791,417.03
  6. Step 6: Final answer
    x = 591,803.39

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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.