Home / 752,491.90-1,038,143.20-430,029

Finding the Fourth Proportional to 752,491.90, 1,038,143.20 and 430,029

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Solution

The fourth proportional to 752,491.90, 1,038,143.20 and 430,029 is: 593,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,491.90 : 1,038,143.20 = 430,029 : x
  2. Step 2: Convert to fraction form
    752,491.90/1,038,143.20 = 430,029/x
  3. Step 3: Cross multiply
    752,491.90x = 1,038,143.20 × 430,029
  4. Step 4: Simplify right side
    752,491.90x = 446,431,682,152.80
  5. Step 5: Solve for x
    x = 446,431,682,152.80/752,491.90
  6. Step 6: Final answer
    x = 593,271.08

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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.