Home / 830,699.40-1,246,031.20-231,644.60

Finding the Fourth Proportional to 830,699.40, 1,246,031.20 and 231,644.60

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Solution

The fourth proportional to 830,699.40, 1,246,031.20 and 231,644.60 is: 347,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,699.40 : 1,246,031.20 = 231,644.60 : x
  2. Step 2: Convert to fraction form
    830,699.40/1,246,031.20 = 231,644.60/x
  3. Step 3: Cross multiply
    830,699.40x = 1,246,031.20 × 231,644.60
  4. Step 4: Simplify right side
    830,699.40x = 288,636,398,911.52
  5. Step 5: Solve for x
    x = 288,636,398,911.52/830,699.40
  6. Step 6: Final answer
    x = 347,461.91

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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.