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Finding the Fourth Proportional to 866,854.56, 1,300,340.16 and 334,380

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Solution

The fourth proportional to 866,854.56, 1,300,340.16 and 334,380 is: 501,592.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,854.56 : 1,300,340.16 = 334,380 : x
  2. Step 2: Convert to fraction form
    866,854.56/1,300,340.16 = 334,380/x
  3. Step 3: Cross multiply
    866,854.56x = 1,300,340.16 × 334,380
  4. Step 4: Simplify right side
    866,854.56x = 434,807,742,700.80
  5. Step 5: Solve for x
    x = 434,807,742,700.80/866,854.56
  6. Step 6: Final answer
    x = 501,592.50

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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.