Home / 912,317.31-1,369,717.02-513,238.95

Finding the Fourth Proportional to 912,317.31, 1,369,717.02 and 513,238.95

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Solution

The fourth proportional to 912,317.31, 1,369,717.02 and 513,238.95 is: 770,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,317.31 : 1,369,717.02 = 513,238.95 : x
  2. Step 2: Convert to fraction form
    912,317.31/1,369,717.02 = 513,238.95/x
  3. Step 3: Cross multiply
    912,317.31x = 1,369,717.02 × 513,238.95
  4. Step 4: Simplify right side
    912,317.31x = 702,992,125,141.93
  5. Step 5: Solve for x
    x = 702,992,125,141.93/912,317.31
  6. Step 6: Final answer
    x = 770,556.60

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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.