Home / 778,850.40-1,168,275.60-731,611.20

Finding the Fourth Proportional to 778,850.40, 1,168,275.60 and 731,611.20

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Solution

The fourth proportional to 778,850.40, 1,168,275.60 and 731,611.20 is: 1,097,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,850.40 : 1,168,275.60 = 731,611.20 : x
  2. Step 2: Convert to fraction form
    778,850.40/1,168,275.60 = 731,611.20/x
  3. Step 3: Cross multiply
    778,850.40x = 1,168,275.60 × 731,611.20
  4. Step 4: Simplify right side
    778,850.40x = 854,723,513,646.72
  5. Step 5: Solve for x
    x = 854,723,513,646.72/778,850.40
  6. Step 6: Final answer
    x = 1,097,416.80

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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.