Home / 887,137.57-1,224,248.65-505,164.37

Finding the Fourth Proportional to 887,137.57, 1,224,248.65 and 505,164.37

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Solution

The fourth proportional to 887,137.57, 1,224,248.65 and 505,164.37 is: 697,126.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,137.57 : 1,224,248.65 = 505,164.37 : x
  2. Step 2: Convert to fraction form
    887,137.57/1,224,248.65 = 505,164.37/x
  3. Step 3: Cross multiply
    887,137.57x = 1,224,248.65 × 505,164.37
  4. Step 4: Simplify right side
    887,137.57x = 618,446,798,000.60
  5. Step 5: Solve for x
    x = 618,446,798,000.60/887,137.57
  6. Step 6: Final answer
    x = 697,126.15

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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.