Home / 752,317.79-1,038,198.56-430,034.87

Finding the Fourth Proportional to 752,317.79, 1,038,198.56 and 430,034.87

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Solution

The fourth proportional to 752,317.79, 1,038,198.56 and 430,034.87 is: 593,448.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,317.79 : 1,038,198.56 = 430,034.87 : x
  2. Step 2: Convert to fraction form
    752,317.79/1,038,198.56 = 430,034.87/x
  3. Step 3: Cross multiply
    752,317.79x = 1,038,198.56 × 430,034.87
  4. Step 4: Simplify right side
    752,317.79x = 446,461,575,442.62
  5. Step 5: Solve for x
    x = 446,461,575,442.62/752,317.79
  6. Step 6: Final answer
    x = 593,448.12

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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.