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Finding the Fourth Proportional to 491,984.87, 738,210.58 and 292,698.95

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Solution

The fourth proportional to 491,984.87, 738,210.58 and 292,698.95 is: 439,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,984.87 : 738,210.58 = 292,698.95 : x
  2. Step 2: Convert to fraction form
    491,984.87/738,210.58 = 292,698.95/x
  3. Step 3: Cross multiply
    491,984.87x = 738,210.58 × 292,698.95
  4. Step 4: Simplify right side
    491,984.87x = 216,073,461,644.89
  5. Step 5: Solve for x
    x = 216,073,461,644.89/491,984.87
  6. Step 6: Final answer
    x = 439,187.21

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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.