Home / 970,854.40-1,456,280.34-260,882.45

Finding the Fourth Proportional to 970,854.40, 1,456,280.34 and 260,882.45

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Solution

The fourth proportional to 970,854.40, 1,456,280.34 and 260,882.45 is: 391,323.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,854.40 : 1,456,280.34 = 260,882.45 : x
  2. Step 2: Convert to fraction form
    970,854.40/1,456,280.34 = 260,882.45/x
  3. Step 3: Cross multiply
    970,854.40x = 1,456,280.34 × 260,882.45
  4. Step 4: Simplify right side
    970,854.40x = 379,917,975,704.63
  5. Step 5: Solve for x
    x = 379,917,975,704.63/970,854.40
  6. Step 6: Final answer
    x = 391,323.33

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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.