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Finding the Fourth Proportional to 898,677.84, 1,347,870.24 and 299,643.96

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Solution

The fourth proportional to 898,677.84, 1,347,870.24 and 299,643.96 is: 449,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,677.84 : 1,347,870.24 = 299,643.96 : x
  2. Step 2: Convert to fraction form
    898,677.84/1,347,870.24 = 299,643.96/x
  3. Step 3: Cross multiply
    898,677.84x = 1,347,870.24 × 299,643.96
  4. Step 4: Simplify right side
    898,677.84x = 403,881,176,279.75
  5. Step 5: Solve for x
    x = 403,881,176,279.75/898,677.84
  6. Step 6: Final answer
    x = 449,417.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.