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Finding the Fourth Proportional to 612,294.58, 844,307.31 and 382,768.12

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Solution

The fourth proportional to 612,294.58, 844,307.31 and 382,768.12 is: 527,807.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,294.58 : 844,307.31 = 382,768.12 : x
  2. Step 2: Convert to fraction form
    612,294.58/844,307.31 = 382,768.12/x
  3. Step 3: Cross multiply
    612,294.58x = 844,307.31 × 382,768.12
  4. Step 4: Simplify right side
    612,294.58x = 323,173,921,750.96
  5. Step 5: Solve for x
    x = 323,173,921,750.96/612,294.58
  6. Step 6: Final answer
    x = 527,807.91

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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.