Home / 987,298.40-1,481,005.02-277,381.80

Finding the Fourth Proportional to 987,298.40, 1,481,005.02 and 277,381.80

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Solution

The fourth proportional to 987,298.40, 1,481,005.02 and 277,381.80 is: 416,088.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,298.40 : 1,481,005.02 = 277,381.80 : x
  2. Step 2: Convert to fraction form
    987,298.40/1,481,005.02 = 277,381.80/x
  3. Step 3: Cross multiply
    987,298.40x = 1,481,005.02 × 277,381.80
  4. Step 4: Simplify right side
    987,298.40x = 410,803,838,256.64
  5. Step 5: Solve for x
    x = 410,803,838,256.64/987,298.40
  6. Step 6: Final answer
    x = 416,088.83

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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.