Home / 849,428.46-1,172,211.45-467,455.26

Finding the Fourth Proportional to 849,428.46, 1,172,211.45 and 467,455.26

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Solution

The fourth proportional to 849,428.46, 1,172,211.45 and 467,455.26 is: 645,088.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,428.46 : 1,172,211.45 = 467,455.26 : x
  2. Step 2: Convert to fraction form
    849,428.46/1,172,211.45 = 467,455.26/x
  3. Step 3: Cross multiply
    849,428.46x = 1,172,211.45 × 467,455.26
  4. Step 4: Simplify right side
    849,428.46x = 547,956,408,134.73
  5. Step 5: Solve for x
    x = 547,956,408,134.73/849,428.46
  6. Step 6: Final answer
    x = 645,088.36

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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.