Home / 970,758.30-1,456,137.45-260,858.10

Finding the Fourth Proportional to 970,758.30, 1,456,137.45 and 260,858.10

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Solution

The fourth proportional to 970,758.30, 1,456,137.45 and 260,858.10 is: 391,287.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,758.30 : 1,456,137.45 = 260,858.10 : x
  2. Step 2: Convert to fraction form
    970,758.30/1,456,137.45 = 260,858.10/x
  3. Step 3: Cross multiply
    970,758.30x = 1,456,137.45 × 260,858.10
  4. Step 4: Simplify right side
    970,758.30x = 379,845,248,545.85
  5. Step 5: Solve for x
    x = 379,845,248,545.85/970,758.30
  6. Step 6: Final answer
    x = 391,287.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.