Home / 849,587.10-1,172,421.18-467,605.68

Finding the Fourth Proportional to 849,587.10, 1,172,421.18 and 467,605.68

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Solution

The fourth proportional to 849,587.10, 1,172,421.18 and 467,605.68 is: 645,290.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,587.10 : 1,172,421.18 = 467,605.68 : x
  2. Step 2: Convert to fraction form
    849,587.10/1,172,421.18 = 467,605.68/x
  3. Step 3: Cross multiply
    849,587.10x = 1,172,421.18 × 467,605.68
  4. Step 4: Simplify right side
    849,587.10x = 548,230,803,120.30
  5. Step 5: Solve for x
    x = 548,230,803,120.30/849,587.10
  6. Step 6: Final answer
    x = 645,290.87

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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.