Home / 987,294.63-1,480,999.38-277,378.05

Finding the Fourth Proportional to 987,294.63, 1,480,999.38 and 277,378.05

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Solution

The fourth proportional to 987,294.63, 1,480,999.38 and 277,378.05 is: 416,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,294.63 : 1,480,999.38 = 277,378.05 : x
  2. Step 2: Convert to fraction form
    987,294.63/1,480,999.38 = 277,378.05/x
  3. Step 3: Cross multiply
    987,294.63x = 1,480,999.38 × 277,378.05
  4. Step 4: Simplify right side
    987,294.63x = 410,796,720,075.61
  5. Step 5: Solve for x
    x = 410,796,720,075.61/987,294.63
  6. Step 6: Final answer
    x = 416,083.21

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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.