Home / 752,613.08-1,038,551.82-430,336.76

Finding the Fourth Proportional to 752,613.08, 1,038,551.82 and 430,336.76

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Solution

The fourth proportional to 752,613.08, 1,038,551.82 and 430,336.76 is: 593,833.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,613.08 : 1,038,551.82 = 430,336.76 : x
  2. Step 2: Convert to fraction form
    752,613.08/1,038,551.82 = 430,336.76/x
  3. Step 3: Cross multiply
    752,613.08x = 1,038,551.82 × 430,336.76
  4. Step 4: Simplify right side
    752,613.08x = 446,927,025,310.90
  5. Step 5: Solve for x
    x = 446,927,025,310.90/752,613.08
  6. Step 6: Final answer
    x = 593,833.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.