Home / 730,791.75-1,008,421.74-458,772.69

Finding the Fourth Proportional to 730,791.75, 1,008,421.74 and 458,772.69

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Solution

The fourth proportional to 730,791.75, 1,008,421.74 and 458,772.69 is: 633,061.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,791.75 : 1,008,421.74 = 458,772.69 : x
  2. Step 2: Convert to fraction form
    730,791.75/1,008,421.74 = 458,772.69/x
  3. Step 3: Cross multiply
    730,791.75x = 1,008,421.74 × 458,772.69
  4. Step 4: Simplify right side
    730,791.75x = 462,636,354,314.28
  5. Step 5: Solve for x
    x = 462,636,354,314.28/730,791.75
  6. Step 6: Final answer
    x = 633,061.82

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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.