Home / 828,966.32-1,143,926.52-466,405.52

Finding the Fourth Proportional to 828,966.32, 1,143,926.52 and 466,405.52

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Solution

The fourth proportional to 828,966.32, 1,143,926.52 and 466,405.52 is: 643,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,966.32 : 1,143,926.52 = 466,405.52 : x
  2. Step 2: Convert to fraction form
    828,966.32/1,143,926.52 = 466,405.52/x
  3. Step 3: Cross multiply
    828,966.32x = 1,143,926.52 × 466,405.52
  4. Step 4: Simplify right side
    828,966.32x = 533,533,643,402.39
  5. Step 5: Solve for x
    x = 533,533,643,402.39/828,966.32
  6. Step 6: Final answer
    x = 643,613.17

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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.