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Finding the Fourth Proportional to 617,925.40, 925,851.30 and 301,701.40

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Solution

The fourth proportional to 617,925.40, 925,851.30 and 301,701.40 is: 452,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,925.40 : 925,851.30 = 301,701.40 : x
  2. Step 2: Convert to fraction form
    617,925.40/925,851.30 = 301,701.40/x
  3. Step 3: Cross multiply
    617,925.40x = 925,851.30 × 301,701.40
  4. Step 4: Simplify right side
    617,925.40x = 279,330,633,401.82
  5. Step 5: Solve for x
    x = 279,330,633,401.82/617,925.40
  6. Step 6: Final answer
    x = 452,045.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.