Home / 752,285.43-1,038,175.43-430,038.27

Finding the Fourth Proportional to 752,285.43, 1,038,175.43 and 430,038.27

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Solution

The fourth proportional to 752,285.43, 1,038,175.43 and 430,038.27 is: 593,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,285.43 : 1,038,175.43 = 430,038.27 : x
  2. Step 2: Convert to fraction form
    752,285.43/1,038,175.43 = 430,038.27/x
  3. Step 3: Cross multiply
    752,285.43x = 1,038,175.43 × 430,038.27
  4. Step 4: Simplify right side
    752,285.43x = 446,455,163,723.52
  5. Step 5: Solve for x
    x = 446,455,163,723.52/752,285.43
  6. Step 6: Final answer
    x = 593,465.12

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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.