Home / 691,959.54-1,037,097.75-489,613.95

Finding the Fourth Proportional to 691,959.54, 1,037,097.75 and 489,613.95

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Solution

The fourth proportional to 691,959.54, 1,037,097.75 and 489,613.95 is: 733,825.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,959.54 : 1,037,097.75 = 489,613.95 : x
  2. Step 2: Convert to fraction form
    691,959.54/1,037,097.75 = 489,613.95/x
  3. Step 3: Cross multiply
    691,959.54x = 1,037,097.75 × 489,613.95
  4. Step 4: Simplify right side
    691,959.54x = 507,777,520,728.12
  5. Step 5: Solve for x
    x = 507,777,520,728.12/691,959.54
  6. Step 6: Final answer
    x = 733,825.45

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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.