Home / 841,655.26-1,262,660.45-272,992.20

Finding the Fourth Proportional to 841,655.26, 1,262,660.45 and 272,992.20

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Solution

The fourth proportional to 841,655.26, 1,262,660.45 and 272,992.20 is: 409,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,655.26 : 1,262,660.45 = 272,992.20 : x
  2. Step 2: Convert to fraction form
    841,655.26/1,262,660.45 = 272,992.20/x
  3. Step 3: Cross multiply
    841,655.26x = 1,262,660.45 × 272,992.20
  4. Step 4: Simplify right side
    841,655.26x = 344,696,454,098.49
  5. Step 5: Solve for x
    x = 344,696,454,098.49/841,655.26
  6. Step 6: Final answer
    x = 409,545.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.