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Finding the Fourth Proportional to 768,265.32, 1,060,200.09 and 446,005.38

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Solution

The fourth proportional to 768,265.32, 1,060,200.09 and 446,005.38 is: 615,483.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,265.32 : 1,060,200.09 = 446,005.38 : x
  2. Step 2: Convert to fraction form
    768,265.32/1,060,200.09 = 446,005.38/x
  3. Step 3: Cross multiply
    768,265.32x = 1,060,200.09 × 446,005.38
  4. Step 4: Simplify right side
    768,265.32x = 472,854,944,016.48
  5. Step 5: Solve for x
    x = 472,854,944,016.48/768,265.32
  6. Step 6: Final answer
    x = 615,483.91

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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.