Home / 865,250.64-1,298,090.07-359,659.98

Finding the Fourth Proportional to 865,250.64, 1,298,090.07 and 359,659.98

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Solution

The fourth proportional to 865,250.64, 1,298,090.07 and 359,659.98 is: 539,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,250.64 : 1,298,090.07 = 359,659.98 : x
  2. Step 2: Convert to fraction form
    865,250.64/1,298,090.07 = 359,659.98/x
  3. Step 3: Cross multiply
    865,250.64x = 1,298,090.07 × 359,659.98
  4. Step 4: Simplify right side
    865,250.64x = 466,871,048,614.40
  5. Step 5: Solve for x
    x = 466,871,048,614.40/865,250.64
  6. Step 6: Final answer
    x = 539,578.97

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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.