Home / 977,615.40-1,466,423.10-408,898.20

Finding the Fourth Proportional to 977,615.40, 1,466,423.10 and 408,898.20

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Solution

The fourth proportional to 977,615.40, 1,466,423.10 and 408,898.20 is: 613,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,615.40 : 1,466,423.10 = 408,898.20 : x
  2. Step 2: Convert to fraction form
    977,615.40/1,466,423.10 = 408,898.20/x
  3. Step 3: Cross multiply
    977,615.40x = 1,466,423.10 × 408,898.20
  4. Step 4: Simplify right side
    977,615.40x = 599,617,766,028.42
  5. Step 5: Solve for x
    x = 599,617,766,028.42/977,615.40
  6. Step 6: Final answer
    x = 613,347.30

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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.