Home / 752,444.09-1,038,385.55-412,943.93

Finding the Fourth Proportional to 752,444.09, 1,038,385.55 and 412,943.93

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Solution

The fourth proportional to 752,444.09, 1,038,385.55 and 412,943.93 is: 569,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,444.09 : 1,038,385.55 = 412,943.93 : x
  2. Step 2: Convert to fraction form
    752,444.09/1,038,385.55 = 412,943.93/x
  3. Step 3: Cross multiply
    752,444.09x = 1,038,385.55 × 412,943.93
  4. Step 4: Simplify right side
    752,444.09x = 428,795,009,872.21
  5. Step 5: Solve for x
    x = 428,795,009,872.21/752,444.09
  6. Step 6: Final answer
    x = 569,869.60

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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.