Home / 578,298.96-867,282-199,204.40

Finding the Fourth Proportional to 578,298.96, 867,282 and 199,204.40

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Solution

The fourth proportional to 578,298.96, 867,282 and 199,204.40 is: 298,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,298.96 : 867,282 = 199,204.40 : x
  2. Step 2: Convert to fraction form
    578,298.96/867,282 = 199,204.40/x
  3. Step 3: Cross multiply
    578,298.96x = 867,282 × 199,204.40
  4. Step 4: Simplify right side
    578,298.96x = 172,766,390,440.80
  5. Step 5: Solve for x
    x = 172,766,390,440.80/578,298.96
  6. Step 6: Final answer
    x = 298,749.27

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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.