Home / 803,119.28-1,108,506.24-545,432.32

Finding the Fourth Proportional to 803,119.28, 1,108,506.24 and 545,432.32

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Solution

The fourth proportional to 803,119.28, 1,108,506.24 and 545,432.32 is: 752,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,119.28 : 1,108,506.24 = 545,432.32 : x
  2. Step 2: Convert to fraction form
    803,119.28/1,108,506.24 = 545,432.32/x
  3. Step 3: Cross multiply
    803,119.28x = 1,108,506.24 × 545,432.32
  4. Step 4: Simplify right side
    803,119.28x = 604,615,130,217.68
  5. Step 5: Solve for x
    x = 604,615,130,217.68/803,119.28
  6. Step 6: Final answer
    x = 752,833.54

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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.