Home / 880,207.20-1,214,681.40-477,799.20

Finding the Fourth Proportional to 880,207.20, 1,214,681.40 and 477,799.20

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Solution

The fourth proportional to 880,207.20, 1,214,681.40 and 477,799.20 is: 659,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,207.20 : 1,214,681.40 = 477,799.20 : x
  2. Step 2: Convert to fraction form
    880,207.20/1,214,681.40 = 477,799.20/x
  3. Step 3: Cross multiply
    880,207.20x = 1,214,681.40 × 477,799.20
  4. Step 4: Simplify right side
    880,207.20x = 580,373,801,174.88
  5. Step 5: Solve for x
    x = 580,373,801,174.88/880,207.20
  6. Step 6: Final answer
    x = 659,360.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.