Home / 575,748.15-864,370.60-442,721.82

Finding the Fourth Proportional to 575,748.15, 864,370.60 and 442,721.82

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Solution

The fourth proportional to 575,748.15, 864,370.60 and 442,721.82 is: 664,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,748.15 : 864,370.60 = 442,721.82 : x
  2. Step 2: Convert to fraction form
    575,748.15/864,370.60 = 442,721.82/x
  3. Step 3: Cross multiply
    575,748.15x = 864,370.60 × 442,721.82
  4. Step 4: Simplify right side
    575,748.15x = 382,675,725,186.49
  5. Step 5: Solve for x
    x = 382,675,725,186.49/575,748.15
  6. Step 6: Final answer
    x = 664,658.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.