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Finding the Fourth Proportional to 521,084.86, 777,246.20 and 473,247.88

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Solution

The fourth proportional to 521,084.86, 777,246.20 and 473,247.88 is: 705,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,084.86 : 777,246.20 = 473,247.88 : x
  2. Step 2: Convert to fraction form
    521,084.86/777,246.20 = 473,247.88/x
  3. Step 3: Cross multiply
    521,084.86x = 777,246.20 × 473,247.88
  4. Step 4: Simplify right side
    521,084.86x = 367,830,116,388.06
  5. Step 5: Solve for x
    x = 367,830,116,388.06/521,084.86
  6. Step 6: Final answer
    x = 705,892.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.