Home / 766,291.10-1,057,514.52-426,759.35

Finding the Fourth Proportional to 766,291.10, 1,057,514.52 and 426,759.35

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Solution

The fourth proportional to 766,291.10, 1,057,514.52 and 426,759.35 is: 588,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,291.10 : 1,057,514.52 = 426,759.35 : x
  2. Step 2: Convert to fraction form
    766,291.10/1,057,514.52 = 426,759.35/x
  3. Step 3: Cross multiply
    766,291.10x = 1,057,514.52 × 426,759.35
  4. Step 4: Simplify right side
    766,291.10x = 451,304,210,237.66
  5. Step 5: Solve for x
    x = 451,304,210,237.66/766,291.10
  6. Step 6: Final answer
    x = 588,946.17

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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.