Home / 741,931.75-1,112,149.86-292,478.68

Finding the Fourth Proportional to 741,931.75, 1,112,149.86 and 292,478.68

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Solution

The fourth proportional to 741,931.75, 1,112,149.86 and 292,478.68 is: 438,423.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,931.75 : 1,112,149.86 = 292,478.68 : x
  2. Step 2: Convert to fraction form
    741,931.75/1,112,149.86 = 292,478.68/x
  3. Step 3: Cross multiply
    741,931.75x = 1,112,149.86 × 292,478.68
  4. Step 4: Simplify right side
    741,931.75x = 325,280,123,014.99
  5. Step 5: Solve for x
    x = 325,280,123,014.99/741,931.75
  6. Step 6: Final answer
    x = 438,423.24

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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.