Home / 977,400.81-1,465,904.39-267,500.61

Finding the Fourth Proportional to 977,400.81, 1,465,904.39 and 267,500.61

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Solution

The fourth proportional to 977,400.81, 1,465,904.39 and 267,500.61 is: 401,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,400.81 : 1,465,904.39 = 267,500.61 : x
  2. Step 2: Convert to fraction form
    977,400.81/1,465,904.39 = 267,500.61/x
  3. Step 3: Cross multiply
    977,400.81x = 1,465,904.39 × 267,500.61
  4. Step 4: Simplify right side
    977,400.81x = 392,130,317,189.18
  5. Step 5: Solve for x
    x = 392,130,317,189.18/977,400.81
  6. Step 6: Final answer
    x = 401,197.05

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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.