Home / 828,535.95-1,143,368.76-465,959.70

Finding the Fourth Proportional to 828,535.95, 1,143,368.76 and 465,959.70

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Solution

The fourth proportional to 828,535.95, 1,143,368.76 and 465,959.70 is: 643,018.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,535.95 : 1,143,368.76 = 465,959.70 : x
  2. Step 2: Convert to fraction form
    828,535.95/1,143,368.76 = 465,959.70/x
  3. Step 3: Cross multiply
    828,535.95x = 1,143,368.76 × 465,959.70
  4. Step 4: Simplify right side
    828,535.95x = 532,763,764,398.97
  5. Step 5: Solve for x
    x = 532,763,764,398.97/828,535.95
  6. Step 6: Final answer
    x = 643,018.28

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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.