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Finding the Fourth Proportional to 581,714.66, 802,881.21 and 377,478.83

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Solution

The fourth proportional to 581,714.66, 802,881.21 and 377,478.83 is: 520,995.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,714.66 : 802,881.21 = 377,478.83 : x
  2. Step 2: Convert to fraction form
    581,714.66/802,881.21 = 377,478.83/x
  3. Step 3: Cross multiply
    581,714.66x = 802,881.21 × 377,478.83
  4. Step 4: Simplify right side
    581,714.66x = 303,070,663,202.53
  5. Step 5: Solve for x
    x = 303,070,663,202.53/581,714.66
  6. Step 6: Final answer
    x = 520,995.40

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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.