Home / 742,390.88-1,024,963.72-510,217.72

Finding the Fourth Proportional to 742,390.88, 1,024,963.72 and 510,217.72

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Solution

The fourth proportional to 742,390.88, 1,024,963.72 and 510,217.72 is: 704,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,390.88 : 1,024,963.72 = 510,217.72 : x
  2. Step 2: Convert to fraction form
    742,390.88/1,024,963.72 = 510,217.72/x
  3. Step 3: Cross multiply
    742,390.88x = 1,024,963.72 × 510,217.72
  4. Step 4: Simplify right side
    742,390.88x = 522,954,652,301.12
  5. Step 5: Solve for x
    x = 522,954,652,301.12/742,390.88
  6. Step 6: Final answer
    x = 704,419.55

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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.