Home / 828,594.88-1,143,329.18-465,948.70

Finding the Fourth Proportional to 828,594.88, 1,143,329.18 and 465,948.70

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Solution

The fourth proportional to 828,594.88, 1,143,329.18 and 465,948.70 is: 642,935.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,594.88 : 1,143,329.18 = 465,948.70 : x
  2. Step 2: Convert to fraction form
    828,594.88/1,143,329.18 = 465,948.70/x
  3. Step 3: Cross multiply
    828,594.88x = 1,143,329.18 × 465,948.70
  4. Step 4: Simplify right side
    828,594.88x = 532,732,739,905.00
  5. Step 5: Solve for x
    x = 532,732,739,905.00/828,594.88
  6. Step 6: Final answer
    x = 642,935.11

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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.