Home / 849,421.80-1,172,202.26-467,448.59

Finding the Fourth Proportional to 849,421.80, 1,172,202.26 and 467,448.59

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Solution

The fourth proportional to 849,421.80, 1,172,202.26 and 467,448.59 is: 645,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,421.80 : 1,172,202.26 = 467,448.59 : x
  2. Step 2: Convert to fraction form
    849,421.80/1,172,202.26 = 467,448.59/x
  3. Step 3: Cross multiply
    849,421.80x = 1,172,202.26 × 467,448.59
  4. Step 4: Simplify right side
    849,421.80x = 547,944,293,631.81
  5. Step 5: Solve for x
    x = 547,944,293,631.81/849,421.80
  6. Step 6: Final answer
    x = 645,079.15

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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.