Home / 987,159.43-1,480,829.51-277,182.68

Finding the Fourth Proportional to 987,159.43, 1,480,829.51 and 277,182.68

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Solution

The fourth proportional to 987,159.43, 1,480,829.51 and 277,182.68 is: 415,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,159.43 : 1,480,829.51 = 277,182.68 : x
  2. Step 2: Convert to fraction form
    987,159.43/1,480,829.51 = 277,182.68/x
  3. Step 3: Cross multiply
    987,159.43x = 1,480,829.51 × 277,182.68
  4. Step 4: Simplify right side
    987,159.43x = 410,460,292,204.89
  5. Step 5: Solve for x
    x = 410,460,292,204.89/987,159.43
  6. Step 6: Final answer
    x = 415,799.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.