Home / 849,226.71-1,172,000.39-486,684.30

Finding the Fourth Proportional to 849,226.71, 1,172,000.39 and 486,684.30

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Solution

The fourth proportional to 849,226.71, 1,172,000.39 and 486,684.30 is: 671,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,226.71 : 1,172,000.39 = 486,684.30 : x
  2. Step 2: Convert to fraction form
    849,226.71/1,172,000.39 = 486,684.30/x
  3. Step 3: Cross multiply
    849,226.71x = 1,172,000.39 × 486,684.30
  4. Step 4: Simplify right side
    849,226.71x = 570,394,187,513.55
  5. Step 5: Solve for x
    x = 570,394,187,513.55/849,226.71
  6. Step 6: Final answer
    x = 671,663.04

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Double scale
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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.