Home / 487,262.12-672,426.20-269,459.54

Finding the Fourth Proportional to 487,262.12, 672,426.20 and 269,459.54

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Solution

The fourth proportional to 487,262.12, 672,426.20 and 269,459.54 is: 371,856.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,262.12 : 672,426.20 = 269,459.54 : x
  2. Step 2: Convert to fraction form
    487,262.12/672,426.20 = 269,459.54/x
  3. Step 3: Cross multiply
    487,262.12x = 672,426.20 × 269,459.54
  4. Step 4: Simplify right side
    487,262.12x = 181,191,654,535.95
  5. Step 5: Solve for x
    x = 181,191,654,535.95/487,262.12
  6. Step 6: Final answer
    x = 371,856.64

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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.