Home / 824,713.65-1,236,682.17-319,511.16

Finding the Fourth Proportional to 824,713.65, 1,236,682.17 and 319,511.16

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Solution

The fourth proportional to 824,713.65, 1,236,682.17 and 319,511.16 is: 479,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,713.65 : 1,236,682.17 = 319,511.16 : x
  2. Step 2: Convert to fraction form
    824,713.65/1,236,682.17 = 319,511.16/x
  3. Step 3: Cross multiply
    824,713.65x = 1,236,682.17 × 319,511.16
  4. Step 4: Simplify right side
    824,713.65x = 395,133,754,688.02
  5. Step 5: Solve for x
    x = 395,133,754,688.02/824,713.65
  6. Step 6: Final answer
    x = 479,116.30

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1.5x scale

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.