Home / 752,378.28-1,038,281.96-430,095.58

Finding the Fourth Proportional to 752,378.28, 1,038,281.96 and 430,095.58

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Solution

The fourth proportional to 752,378.28, 1,038,281.96 and 430,095.58 is: 593,531.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,378.28 : 1,038,281.96 = 430,095.58 : x
  2. Step 2: Convert to fraction form
    752,378.28/1,038,281.96 = 430,095.58/x
  3. Step 3: Cross multiply
    752,378.28x = 1,038,281.96 × 430,095.58
  4. Step 4: Simplify right side
    752,378.28x = 446,560,481,789.74
  5. Step 5: Solve for x
    x = 446,560,481,789.74/752,378.28
  6. Step 6: Final answer
    x = 593,531.86

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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.