Home / 825,575.88-1,139,292.74-458,108.85

Finding the Fourth Proportional to 825,575.88, 1,139,292.74 and 458,108.85

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Solution

The fourth proportional to 825,575.88, 1,139,292.74 and 458,108.85 is: 632,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,575.88 : 1,139,292.74 = 458,108.85 : x
  2. Step 2: Convert to fraction form
    825,575.88/1,139,292.74 = 458,108.85/x
  3. Step 3: Cross multiply
    825,575.88x = 1,139,292.74 × 458,108.85
  4. Step 4: Simplify right side
    825,575.88x = 521,920,084,644.21
  5. Step 5: Solve for x
    x = 521,920,084,644.21/825,575.88
  6. Step 6: Final answer
    x = 632,189.11

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1.5x scale

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.