Home / 749,400.71-1,034,147.39-427,214.66

Finding the Fourth Proportional to 749,400.71, 1,034,147.39 and 427,214.66

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Solution

The fourth proportional to 749,400.71, 1,034,147.39 and 427,214.66 is: 589,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,400.71 : 1,034,147.39 = 427,214.66 : x
  2. Step 2: Convert to fraction form
    749,400.71/1,034,147.39 = 427,214.66/x
  3. Step 3: Cross multiply
    749,400.71x = 1,034,147.39 × 427,214.66
  4. Step 4: Simplify right side
    749,400.71x = 441,802,918,301.93
  5. Step 5: Solve for x
    x = 441,802,918,301.93/749,400.71
  6. Step 6: Final answer
    x = 589,541.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.