Home / 833,376.12-1,149,976.86-465,785.40

Finding the Fourth Proportional to 833,376.12, 1,149,976.86 and 465,785.40

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Solution

The fourth proportional to 833,376.12, 1,149,976.86 and 465,785.40 is: 642,737.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,376.12 : 1,149,976.86 = 465,785.40 : x
  2. Step 2: Convert to fraction form
    833,376.12/1,149,976.86 = 465,785.40/x
  3. Step 3: Cross multiply
    833,376.12x = 1,149,976.86 × 465,785.40
  4. Step 4: Simplify right side
    833,376.12x = 535,642,431,725.84
  5. Step 5: Solve for x
    x = 535,642,431,725.84/833,376.12
  6. Step 6: Final answer
    x = 642,737.92

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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.