Home / 828,007.24-1,142,770.98-465,460.92

Finding the Fourth Proportional to 828,007.24, 1,142,770.98 and 465,460.92

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Solution

The fourth proportional to 828,007.24, 1,142,770.98 and 465,460.92 is: 642,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,007.24 : 1,142,770.98 = 465,460.92 : x
  2. Step 2: Convert to fraction form
    828,007.24/1,142,770.98 = 465,460.92/x
  3. Step 3: Cross multiply
    828,007.24x = 1,142,770.98 × 465,460.92
  4. Step 4: Simplify right side
    828,007.24x = 531,915,231,700.10
  5. Step 5: Solve for x
    x = 531,915,231,700.10/828,007.24
  6. Step 6: Final answer
    x = 642,404.08

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1.5x scale

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.