Home / 875,345.20-1,207,975.20-472,937.20

Finding the Fourth Proportional to 875,345.20, 1,207,975.20 and 472,937.20

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Solution

The fourth proportional to 875,345.20, 1,207,975.20 and 472,937.20 is: 652,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,345.20 : 1,207,975.20 = 472,937.20 : x
  2. Step 2: Convert to fraction form
    875,345.20/1,207,975.20 = 472,937.20/x
  3. Step 3: Cross multiply
    875,345.20x = 1,207,975.20 × 472,937.20
  4. Step 4: Simplify right side
    875,345.20x = 571,296,408,757.44
  5. Step 5: Solve for x
    x = 571,296,408,757.44/875,345.20
  6. Step 6: Final answer
    x = 652,652.70

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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.