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Finding the Fourth Proportional to 416,041.88, 573,983.66 and 307,408.11

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Solution

The fourth proportional to 416,041.88, 573,983.66 and 307,408.11 is: 424,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,041.88 : 573,983.66 = 307,408.11 : x
  2. Step 2: Convert to fraction form
    416,041.88/573,983.66 = 307,408.11/x
  3. Step 3: Cross multiply
    416,041.88x = 573,983.66 × 307,408.11
  4. Step 4: Simplify right side
    416,041.88x = 176,447,230,554.44
  5. Step 5: Solve for x
    x = 176,447,230,554.44/416,041.88
  6. Step 6: Final answer
    x = 424,109.31

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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.