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Finding the Fourth Proportional to 866,963.70, 1,300,672.35 and 334,502.10

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Solution

The fourth proportional to 866,963.70, 1,300,672.35 and 334,502.10 is: 501,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,963.70 : 1,300,672.35 = 334,502.10 : x
  2. Step 2: Convert to fraction form
    866,963.70/1,300,672.35 = 334,502.10/x
  3. Step 3: Cross multiply
    866,963.70x = 1,300,672.35 × 334,502.10
  4. Step 4: Simplify right side
    866,963.70x = 435,077,632,486.94
  5. Step 5: Solve for x
    x = 435,077,632,486.94/866,963.70
  6. Step 6: Final answer
    x = 501,840.66

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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.