Home / 752,905.08-1,038,712.66-430,441.92

Finding the Fourth Proportional to 752,905.08, 1,038,712.66 and 430,441.92

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Solution

The fourth proportional to 752,905.08, 1,038,712.66 and 430,441.92 is: 593,840.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,905.08 : 1,038,712.66 = 430,441.92 : x
  2. Step 2: Convert to fraction form
    752,905.08/1,038,712.66 = 430,441.92/x
  3. Step 3: Cross multiply
    752,905.08x = 1,038,712.66 × 430,441.92
  4. Step 4: Simplify right side
    752,905.08x = 447,105,471,698.71
  5. Step 5: Solve for x
    x = 447,105,471,698.71/752,905.08
  6. Step 6: Final answer
    x = 593,840.42

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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.