Home / 663,964.20-995,831.10-243,023.40

Finding the Fourth Proportional to 663,964.20, 995,831.10 and 243,023.40

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Solution

The fourth proportional to 663,964.20, 995,831.10 and 243,023.40 is: 364,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,964.20 : 995,831.10 = 243,023.40 : x
  2. Step 2: Convert to fraction form
    663,964.20/995,831.10 = 243,023.40/x
  3. Step 3: Cross multiply
    663,964.20x = 995,831.10 × 243,023.40
  4. Step 4: Simplify right side
    663,964.20x = 242,010,259,747.74
  5. Step 5: Solve for x
    x = 242,010,259,747.74/663,964.20
  6. Step 6: Final answer
    x = 364,492.93

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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.