Home / 824,762.65-1,236,755.70-319,560.25

Finding the Fourth Proportional to 824,762.65, 1,236,755.70 and 319,560.25

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Solution

The fourth proportional to 824,762.65, 1,236,755.70 and 319,560.25 is: 479,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,762.65 : 1,236,755.70 = 319,560.25 : x
  2. Step 2: Convert to fraction form
    824,762.65/1,236,755.70 = 319,560.25/x
  3. Step 3: Cross multiply
    824,762.65x = 1,236,755.70 × 319,560.25
  4. Step 4: Simplify right side
    824,762.65x = 395,217,960,680.93
  5. Step 5: Solve for x
    x = 395,217,960,680.93/824,762.65
  6. Step 6: Final answer
    x = 479,189.94

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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.