Home / 557,535.12-768,970.35-375,959.43

Finding the Fourth Proportional to 557,535.12, 768,970.35 and 375,959.43

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Solution

The fourth proportional to 557,535.12, 768,970.35 and 375,959.43 is: 518,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,535.12 : 768,970.35 = 375,959.43 : x
  2. Step 2: Convert to fraction form
    557,535.12/768,970.35 = 375,959.43/x
  3. Step 3: Cross multiply
    557,535.12x = 768,970.35 × 375,959.43
  4. Step 4: Simplify right side
    557,535.12x = 289,101,654,472.90
  5. Step 5: Solve for x
    x = 289,101,654,472.90/557,535.12
  6. Step 6: Final answer
    x = 518,535.32

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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.