Home / 752,445.09-1,038,386.93-412,944.93

Finding the Fourth Proportional to 752,445.09, 1,038,386.93 and 412,944.93

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Solution

The fourth proportional to 752,445.09, 1,038,386.93 and 412,944.93 is: 569,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,445.09 : 1,038,386.93 = 412,944.93 : x
  2. Step 2: Convert to fraction form
    752,445.09/1,038,386.93 = 412,944.93/x
  3. Step 3: Cross multiply
    752,445.09x = 1,038,386.93 × 412,944.93
  4. Step 4: Simplify right side
    752,445.09x = 428,796,618,121.77
  5. Step 5: Solve for x
    x = 428,796,618,121.77/752,445.09
  6. Step 6: Final answer
    x = 569,870.98

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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.