Home / 945,725.65-1,305,295.65-578,265.61

Finding the Fourth Proportional to 945,725.65, 1,305,295.65 and 578,265.61

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Solution

The fourth proportional to 945,725.65, 1,305,295.65 and 578,265.61 is: 798,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,725.65 : 1,305,295.65 = 578,265.61 : x
  2. Step 2: Convert to fraction form
    945,725.65/1,305,295.65 = 578,265.61/x
  3. Step 3: Cross multiply
    945,725.65x = 1,305,295.65 × 578,265.61
  4. Step 4: Simplify right side
    945,725.65x = 754,807,585,277.60
  5. Step 5: Solve for x
    x = 754,807,585,277.60/945,725.65
  6. Step 6: Final answer
    x = 798,125.32

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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.