Home / 718,254.28-1,074,720.15-575,667.09

Finding the Fourth Proportional to 718,254.28, 1,074,720.15 and 575,667.09

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Solution

The fourth proportional to 718,254.28, 1,074,720.15 and 575,667.09 is: 861,367.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,254.28 : 1,074,720.15 = 575,667.09 : x
  2. Step 2: Convert to fraction form
    718,254.28/1,074,720.15 = 575,667.09/x
  3. Step 3: Cross multiply
    718,254.28x = 1,074,720.15 × 575,667.09
  4. Step 4: Simplify right side
    718,254.28x = 618,681,021,314.86
  5. Step 5: Solve for x
    x = 618,681,021,314.86/718,254.28
  6. Step 6: Final answer
    x = 861,367.68

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1.5x scale

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.