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Finding the Fourth Proportional to 612,002.68, 844,552.51 and 340,065.63

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Solution

The fourth proportional to 612,002.68, 844,552.51 and 340,065.63 is: 469,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,002.68 : 844,552.51 = 340,065.63 : x
  2. Step 2: Convert to fraction form
    612,002.68/844,552.51 = 340,065.63/x
  3. Step 3: Cross multiply
    612,002.68x = 844,552.51 × 340,065.63
  4. Step 4: Simplify right side
    612,002.68x = 287,203,280,531.07
  5. Step 5: Solve for x
    x = 287,203,280,531.07/612,002.68
  6. Step 6: Final answer
    x = 469,284.35

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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.