Home / 987,159.51-1,480,829.63-277,182.76

Finding the Fourth Proportional to 987,159.51, 1,480,829.63 and 277,182.76

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Solution

The fourth proportional to 987,159.51, 1,480,829.63 and 277,182.76 is: 415,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,159.51 : 1,480,829.63 = 277,182.76 : x
  2. Step 2: Convert to fraction form
    987,159.51/1,480,829.63 = 277,182.76/x
  3. Step 3: Cross multiply
    987,159.51x = 1,480,829.63 × 277,182.76
  4. Step 4: Simplify right side
    987,159.51x = 410,460,446,942.30
  5. Step 5: Solve for x
    x = 410,460,446,942.30/987,159.51
  6. Step 6: Final answer
    x = 415,799.52

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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.