Home / 778,811.40-1,168,217.10-731,572.20

Finding the Fourth Proportional to 778,811.40, 1,168,217.10 and 731,572.20

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Solution

The fourth proportional to 778,811.40, 1,168,217.10 and 731,572.20 is: 1,097,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,811.40 : 1,168,217.10 = 731,572.20 : x
  2. Step 2: Convert to fraction form
    778,811.40/1,168,217.10 = 731,572.20/x
  3. Step 3: Cross multiply
    778,811.40x = 1,168,217.10 × 731,572.20
  4. Step 4: Simplify right side
    778,811.40x = 854,635,153,924.62
  5. Step 5: Solve for x
    x = 854,635,153,924.62/778,811.40
  6. Step 6: Final answer
    x = 1,097,358.30

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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.