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Finding the Fourth Proportional to 555,952.80, 767,194.32 and 301,298.52

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Solution

The fourth proportional to 555,952.80, 767,194.32 and 301,298.52 is: 415,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,952.80 : 767,194.32 = 301,298.52 : x
  2. Step 2: Convert to fraction form
    555,952.80/767,194.32 = 301,298.52/x
  3. Step 3: Cross multiply
    555,952.80x = 767,194.32 × 301,298.52
  4. Step 4: Simplify right side
    555,952.80x = 231,154,513,168.41
  5. Step 5: Solve for x
    x = 231,154,513,168.41/555,952.80
  6. Step 6: Final answer
    x = 415,780.82

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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.