Home / 878,689.02-1,318,033.71-247,520.82

Finding the Fourth Proportional to 878,689.02, 1,318,033.71 and 247,520.82

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Solution

The fourth proportional to 878,689.02, 1,318,033.71 and 247,520.82 is: 371,281.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,689.02 : 1,318,033.71 = 247,520.82 : x
  2. Step 2: Convert to fraction form
    878,689.02/1,318,033.71 = 247,520.82/x
  3. Step 3: Cross multiply
    878,689.02x = 1,318,033.71 × 247,520.82
  4. Step 4: Simplify right side
    878,689.02x = 326,240,784,686.84
  5. Step 5: Solve for x
    x = 326,240,784,686.84/878,689.02
  6. Step 6: Final answer
    x = 371,281.28

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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.