Home / 752,670.68-1,039,547.57-495,696.33

Finding the Fourth Proportional to 752,670.68, 1,039,547.57 and 495,696.33

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Solution

The fourth proportional to 752,670.68, 1,039,547.57 and 495,696.33 is: 684,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,670.68 : 1,039,547.57 = 495,696.33 : x
  2. Step 2: Convert to fraction form
    752,670.68/1,039,547.57 = 495,696.33/x
  3. Step 3: Cross multiply
    752,670.68x = 1,039,547.57 × 495,696.33
  4. Step 4: Simplify right side
    752,670.68x = 515,299,912,830.94
  5. Step 5: Solve for x
    x = 515,299,912,830.94/752,670.68
  6. Step 6: Final answer
    x = 684,628.66

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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.