Home / 747,648.60-1,122,058.83-521,538.32

Finding the Fourth Proportional to 747,648.60, 1,122,058.83 and 521,538.32

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Solution

The fourth proportional to 747,648.60, 1,122,058.83 and 521,538.32 is: 782,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,648.60 : 1,122,058.83 = 521,538.32 : x
  2. Step 2: Convert to fraction form
    747,648.60/1,122,058.83 = 521,538.32/x
  3. Step 3: Cross multiply
    747,648.60x = 1,122,058.83 × 521,538.32
  4. Step 4: Simplify right side
    747,648.60x = 585,196,673,484.84
  5. Step 5: Solve for x
    x = 585,196,673,484.84/747,648.60
  6. Step 6: Final answer
    x = 782,716.20

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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.