Home / 977,421.06-1,465,934.76-267,520.86

Finding the Fourth Proportional to 977,421.06, 1,465,934.76 and 267,520.86

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Solution

The fourth proportional to 977,421.06, 1,465,934.76 and 267,520.86 is: 401,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,421.06 : 1,465,934.76 = 267,520.86 : x
  2. Step 2: Convert to fraction form
    977,421.06/1,465,934.76 = 267,520.86/x
  3. Step 3: Cross multiply
    977,421.06x = 1,465,934.76 × 267,520.86
  4. Step 4: Simplify right side
    977,421.06x = 392,168,127,699.09
  5. Step 5: Solve for x
    x = 392,168,127,699.09/977,421.06
  6. Step 6: Final answer
    x = 401,227.42

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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.