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Finding the Fourth Proportional to 684,763.58, 945,103.47 and 458,801.66

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Solution

The fourth proportional to 684,763.58, 945,103.47 and 458,801.66 is: 633,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,763.58 : 945,103.47 = 458,801.66 : x
  2. Step 2: Convert to fraction form
    684,763.58/945,103.47 = 458,801.66/x
  3. Step 3: Cross multiply
    684,763.58x = 945,103.47 × 458,801.66
  4. Step 4: Simplify right side
    684,763.58x = 433,615,040,907.76
  5. Step 5: Solve for x
    x = 433,615,040,907.76/684,763.58
  6. Step 6: Final answer
    x = 633,233.21

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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.