Home / 850,073.38-1,173,101.28-468,099.24

Finding the Fourth Proportional to 850,073.38, 1,173,101.28 and 468,099.24

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Solution

The fourth proportional to 850,073.38, 1,173,101.28 and 468,099.24 is: 645,976.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,073.38 : 1,173,101.28 = 468,099.24 : x
  2. Step 2: Convert to fraction form
    850,073.38/1,173,101.28 = 468,099.24/x
  3. Step 3: Cross multiply
    850,073.38x = 1,173,101.28 × 468,099.24
  4. Step 4: Simplify right side
    850,073.38x = 549,127,817,611.03
  5. Step 5: Solve for x
    x = 549,127,817,611.03/850,073.38
  6. Step 6: Final answer
    x = 645,976.96

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.