Home / 841,521.14-1,262,459.05-272,857.91

Finding the Fourth Proportional to 841,521.14, 1,262,459.05 and 272,857.91

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Solution

The fourth proportional to 841,521.14, 1,262,459.05 and 272,857.91 is: 409,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,521.14 : 1,262,459.05 = 272,857.91 : x
  2. Step 2: Convert to fraction form
    841,521.14/1,262,459.05 = 272,857.91/x
  3. Step 3: Cross multiply
    841,521.14x = 1,262,459.05 × 272,857.91
  4. Step 4: Simplify right side
    841,521.14x = 344,471,931,531.29
  5. Step 5: Solve for x
    x = 344,471,931,531.29/841,521.14
  6. Step 6: Final answer
    x = 409,344.36

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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.