Home / 849,315.75-1,172,064.05-467,350.74

Finding the Fourth Proportional to 849,315.75, 1,172,064.05 and 467,350.74

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Solution

The fourth proportional to 849,315.75, 1,172,064.05 and 467,350.74 is: 644,948.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,315.75 : 1,172,064.05 = 467,350.74 : x
  2. Step 2: Convert to fraction form
    849,315.75/1,172,064.05 = 467,350.74/x
  3. Step 3: Cross multiply
    849,315.75x = 1,172,064.05 × 467,350.74
  4. Step 4: Simplify right side
    849,315.75x = 547,764,998,758.14
  5. Step 5: Solve for x
    x = 547,764,998,758.14/849,315.75
  6. Step 6: Final answer
    x = 644,948.59

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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.