Home / 752,442.09-1,038,382.80-412,941.93

Finding the Fourth Proportional to 752,442.09, 1,038,382.80 and 412,941.93

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Solution

The fourth proportional to 752,442.09, 1,038,382.80 and 412,941.93 is: 569,866.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,442.09 : 1,038,382.80 = 412,941.93 : x
  2. Step 2: Convert to fraction form
    752,442.09/1,038,382.80 = 412,941.93/x
  3. Step 3: Cross multiply
    752,442.09x = 1,038,382.80 × 412,941.93
  4. Step 4: Simplify right side
    752,442.09x = 428,791,795,446.09
  5. Step 5: Solve for x
    x = 428,791,795,446.09/752,442.09
  6. Step 6: Final answer
    x = 569,866.84

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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.