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Finding the Fourth Proportional to 615,768.84, 849,752.96 and 343,841.38

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Solution

The fourth proportional to 615,768.84, 849,752.96 and 343,841.38 is: 474,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,768.84 : 849,752.96 = 343,841.38 : x
  2. Step 2: Convert to fraction form
    615,768.84/849,752.96 = 343,841.38/x
  3. Step 3: Cross multiply
    615,768.84x = 849,752.96 × 343,841.38
  4. Step 4: Simplify right side
    615,768.84x = 292,180,226,581.90
  5. Step 5: Solve for x
    x = 292,180,226,581.90/615,768.84
  6. Step 6: Final answer
    x = 474,496.61

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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.