Home / 948,676.68-1,423,007.28-387,317.52

Finding the Fourth Proportional to 948,676.68, 1,423,007.28 and 387,317.52

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Solution

The fourth proportional to 948,676.68, 1,423,007.28 and 387,317.52 is: 580,973.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,676.68 : 1,423,007.28 = 387,317.52 : x
  2. Step 2: Convert to fraction form
    948,676.68/1,423,007.28 = 387,317.52/x
  3. Step 3: Cross multiply
    948,676.68x = 1,423,007.28 × 387,317.52
  4. Step 4: Simplify right side
    948,676.68x = 551,155,650,631.55
  5. Step 5: Solve for x
    x = 551,155,650,631.55/948,676.68
  6. Step 6: Final answer
    x = 580,973.12

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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.