Home / 461,642.34-637,077.20-289,567.61

Finding the Fourth Proportional to 461,642.34, 637,077.20 and 289,567.61

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Solution

The fourth proportional to 461,642.34, 637,077.20 and 289,567.61 is: 399,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,642.34 : 637,077.20 = 289,567.61 : x
  2. Step 2: Convert to fraction form
    461,642.34/637,077.20 = 289,567.61/x
  3. Step 3: Cross multiply
    461,642.34x = 637,077.20 × 289,567.61
  4. Step 4: Simplify right side
    461,642.34x = 184,476,921,574.13
  5. Step 5: Solve for x
    x = 184,476,921,574.13/461,642.34
  6. Step 6: Final answer
    x = 399,610.06

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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.