Home / 566,101.14-781,201.74-307,971.46

Finding the Fourth Proportional to 566,101.14, 781,201.74 and 307,971.46

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Solution

The fourth proportional to 566,101.14, 781,201.74 and 307,971.46 is: 424,990.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,101.14 : 781,201.74 = 307,971.46 : x
  2. Step 2: Convert to fraction form
    566,101.14/781,201.74 = 307,971.46/x
  3. Step 3: Cross multiply
    566,101.14x = 781,201.74 × 307,971.46
  4. Step 4: Simplify right side
    566,101.14x = 240,587,840,422.34
  5. Step 5: Solve for x
    x = 240,587,840,422.34/566,101.14
  6. Step 6: Final answer
    x = 424,990.91

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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.