Home / 566,109.19-781,236.86-307,987.59

Finding the Fourth Proportional to 566,109.19, 781,236.86 and 307,987.59

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Solution

The fourth proportional to 566,109.19, 781,236.86 and 307,987.59 is: 425,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,109.19 : 781,236.86 = 307,987.59 : x
  2. Step 2: Convert to fraction form
    566,109.19/781,236.86 = 307,987.59/x
  3. Step 3: Cross multiply
    566,109.19x = 781,236.86 × 307,987.59
  4. Step 4: Simplify right side
    566,109.19x = 240,611,257,730.57
  5. Step 5: Solve for x
    x = 240,611,257,730.57/566,109.19
  6. Step 6: Final answer
    x = 425,026.24

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Double scale
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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.