Home / 788,071.68-1,182,585.42-314,717.40

Finding the Fourth Proportional to 788,071.68, 1,182,585.42 and 314,717.40

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Solution

The fourth proportional to 788,071.68, 1,182,585.42 and 314,717.40 is: 472,266.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,071.68 : 1,182,585.42 = 314,717.40 : x
  2. Step 2: Convert to fraction form
    788,071.68/1,182,585.42 = 314,717.40/x
  3. Step 3: Cross multiply
    788,071.68x = 1,182,585.42 × 314,717.40
  4. Step 4: Simplify right side
    788,071.68x = 372,180,208,660.31
  5. Step 5: Solve for x
    x = 372,180,208,660.31/788,071.68
  6. Step 6: Final answer
    x = 472,266.95

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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.