Home / 752,306.65-1,038,183.06-430,023.66

Finding the Fourth Proportional to 752,306.65, 1,038,183.06 and 430,023.66

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Solution

The fourth proportional to 752,306.65, 1,038,183.06 and 430,023.66 is: 593,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,306.65 : 1,038,183.06 = 430,023.66 : x
  2. Step 2: Convert to fraction form
    752,306.65/1,038,183.06 = 430,023.66/x
  3. Step 3: Cross multiply
    752,306.65x = 1,038,183.06 × 430,023.66
  4. Step 4: Simplify right side
    752,306.65x = 446,443,280,351.50
  5. Step 5: Solve for x
    x = 446,443,280,351.50/752,306.65
  6. Step 6: Final answer
    x = 593,432.59

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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.