Home / 875,335.20-1,207,961.40-472,927.20

Finding the Fourth Proportional to 875,335.20, 1,207,961.40 and 472,927.20

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Solution

The fourth proportional to 875,335.20, 1,207,961.40 and 472,927.20 is: 652,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,335.20 : 1,207,961.40 = 472,927.20 : x
  2. Step 2: Convert to fraction form
    875,335.20/1,207,961.40 = 472,927.20/x
  3. Step 3: Cross multiply
    875,335.20x = 1,207,961.40 × 472,927.20
  4. Step 4: Simplify right side
    875,335.20x = 571,277,802,610.08
  5. Step 5: Solve for x
    x = 571,277,802,610.08/875,335.20
  6. Step 6: Final answer
    x = 652,638.90

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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.