Home / 584,037.20-805,971.33-315,765.20

Finding the Fourth Proportional to 584,037.20, 805,971.33 and 315,765.20

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Solution

The fourth proportional to 584,037.20, 805,971.33 and 315,765.20 is: 435,755.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,037.20 : 805,971.33 = 315,765.20 : x
  2. Step 2: Convert to fraction form
    584,037.20/805,971.33 = 315,765.20/x
  3. Step 3: Cross multiply
    584,037.20x = 805,971.33 × 315,765.20
  4. Step 4: Simplify right side
    584,037.20x = 254,497,694,181.86
  5. Step 5: Solve for x
    x = 254,497,694,181.86/584,037.20
  6. Step 6: Final answer
    x = 435,755.97

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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.