Home / 683,143.20-1,024,714.80-209,852.10

Finding the Fourth Proportional to 683,143.20, 1,024,714.80 and 209,852.10

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Solution

The fourth proportional to 683,143.20, 1,024,714.80 and 209,852.10 is: 314,778.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,143.20 : 1,024,714.80 = 209,852.10 : x
  2. Step 2: Convert to fraction form
    683,143.20/1,024,714.80 = 209,852.10/x
  3. Step 3: Cross multiply
    683,143.20x = 1,024,714.80 × 209,852.10
  4. Step 4: Simplify right side
    683,143.20x = 215,038,552,681.08
  5. Step 5: Solve for x
    x = 215,038,552,681.08/683,143.20
  6. Step 6: Final answer
    x = 314,778.15

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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.