Home / 977,616.40-1,466,424.60-408,899.20

Finding the Fourth Proportional to 977,616.40, 1,466,424.60 and 408,899.20

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Solution

The fourth proportional to 977,616.40, 1,466,424.60 and 408,899.20 is: 613,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,616.40 : 1,466,424.60 = 408,899.20 : x
  2. Step 2: Convert to fraction form
    977,616.40/1,466,424.60 = 408,899.20/x
  3. Step 3: Cross multiply
    977,616.40x = 1,466,424.60 × 408,899.20
  4. Step 4: Simplify right side
    977,616.40x = 599,619,845,800.32
  5. Step 5: Solve for x
    x = 599,619,845,800.32/977,616.40
  6. Step 6: Final answer
    x = 613,348.80

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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.