Home / 804,970.80-1,207,456.20-243,932.40

Finding the Fourth Proportional to 804,970.80, 1,207,456.20 and 243,932.40

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Solution

The fourth proportional to 804,970.80, 1,207,456.20 and 243,932.40 is: 365,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,970.80 : 1,207,456.20 = 243,932.40 : x
  2. Step 2: Convert to fraction form
    804,970.80/1,207,456.20 = 243,932.40/x
  3. Step 3: Cross multiply
    804,970.80x = 1,207,456.20 × 243,932.40
  4. Step 4: Simplify right side
    804,970.80x = 294,537,688,760.88
  5. Step 5: Solve for x
    x = 294,537,688,760.88/804,970.80
  6. Step 6: Final answer
    x = 365,898.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.