Home / 887,610.12-1,224,835.74-505,562.28

Finding the Fourth Proportional to 887,610.12, 1,224,835.74 and 505,562.28

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Solution

The fourth proportional to 887,610.12, 1,224,835.74 and 505,562.28 is: 697,638.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,610.12 : 1,224,835.74 = 505,562.28 : x
  2. Step 2: Convert to fraction form
    887,610.12/1,224,835.74 = 505,562.28/x
  3. Step 3: Cross multiply
    887,610.12x = 1,224,835.74 × 505,562.28
  4. Step 4: Simplify right side
    887,610.12x = 619,230,749,339.89
  5. Step 5: Solve for x
    x = 619,230,749,339.89/887,610.12
  6. Step 6: Final answer
    x = 697,638.23

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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.