Home / 545,371.20-752,417.46-315,803.16

Finding the Fourth Proportional to 545,371.20, 752,417.46 and 315,803.16

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Solution

The fourth proportional to 545,371.20, 752,417.46 and 315,803.16 is: 435,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,371.20 : 752,417.46 = 315,803.16 : x
  2. Step 2: Convert to fraction form
    545,371.20/752,417.46 = 315,803.16/x
  3. Step 3: Cross multiply
    545,371.20x = 752,417.46 × 315,803.16
  4. Step 4: Simplify right side
    545,371.20x = 237,615,811,507.17
  5. Step 5: Solve for x
    x = 237,615,811,507.17/545,371.20
  6. Step 6: Final answer
    x = 435,695.56

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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.