Home / 918,828.77-1,267,984.73-510,921.88

Finding the Fourth Proportional to 918,828.77, 1,267,984.73 and 510,921.88

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Solution

The fourth proportional to 918,828.77, 1,267,984.73 and 510,921.88 is: 705,072.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,828.77 : 1,267,984.73 = 510,921.88 : x
  2. Step 2: Convert to fraction form
    918,828.77/1,267,984.73 = 510,921.88/x
  3. Step 3: Cross multiply
    918,828.77x = 1,267,984.73 × 510,921.88
  4. Step 4: Simplify right side
    918,828.77x = 647,841,140,170.24
  5. Step 5: Solve for x
    x = 647,841,140,170.24/918,828.77
  6. Step 6: Final answer
    x = 705,072.77

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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.