Home / 887,534.74-1,224,498.72-505,290.88

Finding the Fourth Proportional to 887,534.74, 1,224,498.72 and 505,290.88

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Solution

The fourth proportional to 887,534.74, 1,224,498.72 and 505,290.88 is: 697,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,534.74 : 1,224,498.72 = 505,290.88 : x
  2. Step 2: Convert to fraction form
    887,534.74/1,224,498.72 = 505,290.88/x
  3. Step 3: Cross multiply
    887,534.74x = 1,224,498.72 × 505,290.88
  4. Step 4: Simplify right side
    887,534.74x = 618,728,035,787.67
  5. Step 5: Solve for x
    x = 618,728,035,787.67/887,534.74
  6. Step 6: Final answer
    x = 697,131.06

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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.