Home / 828,006.24-1,142,769.60-465,459.92

Finding the Fourth Proportional to 828,006.24, 1,142,769.60 and 465,459.92

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Solution

The fourth proportional to 828,006.24, 1,142,769.60 and 465,459.92 is: 642,402.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,006.24 : 1,142,769.60 = 465,459.92 : x
  2. Step 2: Convert to fraction form
    828,006.24/1,142,769.60 = 465,459.92/x
  3. Step 3: Cross multiply
    828,006.24x = 1,142,769.60 × 465,459.92
  4. Step 4: Simplify right side
    828,006.24x = 531,913,446,594.43
  5. Step 5: Solve for x
    x = 531,913,446,594.43/828,006.24
  6. Step 6: Final answer
    x = 642,402.70

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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.