Home / 898,629.32-1,347,278.16-424,760.96

Finding the Fourth Proportional to 898,629.32, 1,347,278.16 and 424,760.96

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Solution

The fourth proportional to 898,629.32, 1,347,278.16 and 424,760.96 is: 636,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,629.32 : 1,347,278.16 = 424,760.96 : x
  2. Step 2: Convert to fraction form
    898,629.32/1,347,278.16 = 424,760.96/x
  3. Step 3: Cross multiply
    898,629.32x = 1,347,278.16 × 424,760.96
  4. Step 4: Simplify right side
    898,629.32x = 572,271,164,628.63
  5. Step 5: Solve for x
    x = 572,271,164,628.63/898,629.32
  6. Step 6: Final answer
    x = 636,826.72

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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.