Home / 744,014.72-1,026,766.88-457,479.45

Finding the Fourth Proportional to 744,014.72, 1,026,766.88 and 457,479.45

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Solution

The fourth proportional to 744,014.72, 1,026,766.88 and 457,479.45 is: 631,337.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,014.72 : 1,026,766.88 = 457,479.45 : x
  2. Step 2: Convert to fraction form
    744,014.72/1,026,766.88 = 457,479.45/x
  3. Step 3: Cross multiply
    744,014.72x = 1,026,766.88 × 457,479.45
  4. Step 4: Simplify right side
    744,014.72x = 469,724,747,540.62
  5. Step 5: Solve for x
    x = 469,724,747,540.62/744,014.72
  6. Step 6: Final answer
    x = 631,337.98

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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.