Home / 838,648.65-1,256,809.14-382,124.20

Finding the Fourth Proportional to 838,648.65, 1,256,809.14 and 382,124.20

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Solution

The fourth proportional to 838,648.65, 1,256,809.14 and 382,124.20 is: 572,656.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,648.65 : 1,256,809.14 = 382,124.20 : x
  2. Step 2: Convert to fraction form
    838,648.65/1,256,809.14 = 382,124.20/x
  3. Step 3: Cross multiply
    838,648.65x = 1,256,809.14 × 382,124.20
  4. Step 4: Simplify right side
    838,648.65x = 480,257,192,229.19
  5. Step 5: Solve for x
    x = 480,257,192,229.19/838,648.65
  6. Step 6: Final answer
    x = 572,656.01

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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.