Home / 871,053.40-1,305,962.34-338,125.24

Finding the Fourth Proportional to 871,053.40, 1,305,962.34 and 338,125.24

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Solution

The fourth proportional to 871,053.40, 1,305,962.34 and 338,125.24 is: 506,948.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,053.40 : 1,305,962.34 = 338,125.24 : x
  2. Step 2: Convert to fraction form
    871,053.40/1,305,962.34 = 338,125.24/x
  3. Step 3: Cross multiply
    871,053.40x = 1,305,962.34 × 338,125.24
  4. Step 4: Simplify right side
    871,053.40x = 441,578,829,643.46
  5. Step 5: Solve for x
    x = 441,578,829,643.46/871,053.40
  6. Step 6: Final answer
    x = 506,948.06

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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.