Home / 977,495.28-1,466,188.84-267,472.40

Finding the Fourth Proportional to 977,495.28, 1,466,188.84 and 267,472.40

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Solution

The fourth proportional to 977,495.28, 1,466,188.84 and 267,472.40 is: 401,193.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,495.28 : 1,466,188.84 = 267,472.40 : x
  2. Step 2: Convert to fraction form
    977,495.28/1,466,188.84 = 267,472.40/x
  3. Step 3: Cross multiply
    977,495.28x = 1,466,188.84 × 267,472.40
  4. Step 4: Simplify right side
    977,495.28x = 392,165,047,888.02
  5. Step 5: Solve for x
    x = 392,165,047,888.02/977,495.28
  6. Step 6: Final answer
    x = 401,193.80

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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.