Home / 910,068.40-1,365,102.60-278,900.20

Finding the Fourth Proportional to 910,068.40, 1,365,102.60 and 278,900.20

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Solution

The fourth proportional to 910,068.40, 1,365,102.60 and 278,900.20 is: 418,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,068.40 : 1,365,102.60 = 278,900.20 : x
  2. Step 2: Convert to fraction form
    910,068.40/1,365,102.60 = 278,900.20/x
  3. Step 3: Cross multiply
    910,068.40x = 1,365,102.60 × 278,900.20
  4. Step 4: Simplify right side
    910,068.40x = 380,727,388,160.52
  5. Step 5: Solve for x
    x = 380,727,388,160.52/910,068.40
  6. Step 6: Final answer
    x = 418,350.30

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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.