Home / 731,220.60-1,096,830.90-637,908.60

Finding the Fourth Proportional to 731,220.60, 1,096,830.90 and 637,908.60

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Solution

The fourth proportional to 731,220.60, 1,096,830.90 and 637,908.60 is: 956,862.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,220.60 : 1,096,830.90 = 637,908.60 : x
  2. Step 2: Convert to fraction form
    731,220.60/1,096,830.90 = 637,908.60/x
  3. Step 3: Cross multiply
    731,220.60x = 1,096,830.90 × 637,908.60
  4. Step 4: Simplify right side
    731,220.60x = 699,677,863,855.74
  5. Step 5: Solve for x
    x = 699,677,863,855.74/731,220.60
  6. Step 6: Final answer
    x = 956,862.90

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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.