Home / 871,342.32-1,307,094.16-338,903.76

Finding the Fourth Proportional to 871,342.32, 1,307,094.16 and 338,903.76

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Solution

The fourth proportional to 871,342.32, 1,307,094.16 and 338,903.76 is: 508,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,342.32 : 1,307,094.16 = 338,903.76 : x
  2. Step 2: Convert to fraction form
    871,342.32/1,307,094.16 = 338,903.76/x
  3. Step 3: Cross multiply
    871,342.32x = 1,307,094.16 × 338,903.76
  4. Step 4: Simplify right side
    871,342.32x = 442,979,125,498.04
  5. Step 5: Solve for x
    x = 442,979,125,498.04/871,342.32
  6. Step 6: Final answer
    x = 508,387.02

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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.