Home / 670,055.76-1,004,639.28-243,540.92

Finding the Fourth Proportional to 670,055.76, 1,004,639.28 and 243,540.92

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Solution

The fourth proportional to 670,055.76, 1,004,639.28 and 243,540.92 is: 365,149.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,055.76 : 1,004,639.28 = 243,540.92 : x
  2. Step 2: Convert to fraction form
    670,055.76/1,004,639.28 = 243,540.92/x
  3. Step 3: Cross multiply
    670,055.76x = 1,004,639.28 × 243,540.92
  4. Step 4: Simplify right side
    670,055.76x = 244,670,774,519.34
  5. Step 5: Solve for x
    x = 244,670,774,519.34/670,055.76
  6. Step 6: Final answer
    x = 365,149.87

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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.