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Finding the Fourth Proportional to 612,117.09, 844,701.37 and 336,475.87

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Solution

The fourth proportional to 612,117.09, 844,701.37 and 336,475.87 is: 464,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,117.09 : 844,701.37 = 336,475.87 : x
  2. Step 2: Convert to fraction form
    612,117.09/844,701.37 = 336,475.87/x
  3. Step 3: Cross multiply
    612,117.09x = 844,701.37 × 336,475.87
  4. Step 4: Simplify right side
    612,117.09x = 284,221,625,408.00
  5. Step 5: Solve for x
    x = 284,221,625,408.00/612,117.09
  6. Step 6: Final answer
    x = 464,325.58

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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.