Home / 970,853.90-1,456,279.59-260,881.94

Finding the Fourth Proportional to 970,853.90, 1,456,279.59 and 260,881.94

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Solution

The fourth proportional to 970,853.90, 1,456,279.59 and 260,881.94 is: 391,322.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,853.90 : 1,456,279.59 = 260,881.94 : x
  2. Step 2: Convert to fraction form
    970,853.90/1,456,279.59 = 260,881.94/x
  3. Step 3: Cross multiply
    970,853.90x = 1,456,279.59 × 260,881.94
  4. Step 4: Simplify right side
    970,853.90x = 379,917,048,262.30
  5. Step 5: Solve for x
    x = 379,917,048,262.30/970,853.90
  6. Step 6: Final answer
    x = 391,322.58

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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.