Home / 812,292.32-1,120,816.80-468,066.08

Finding the Fourth Proportional to 812,292.32, 1,120,816.80 and 468,066.08

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Solution

The fourth proportional to 812,292.32, 1,120,816.80 and 468,066.08 is: 645,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,292.32 : 1,120,816.80 = 468,066.08 : x
  2. Step 2: Convert to fraction form
    812,292.32/1,120,816.80 = 468,066.08/x
  3. Step 3: Cross multiply
    812,292.32x = 1,120,816.80 × 468,066.08
  4. Step 4: Simplify right side
    812,292.32x = 524,616,325,974.14
  5. Step 5: Solve for x
    x = 524,616,325,974.14/812,292.32
  6. Step 6: Final answer
    x = 645,846.71

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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.