Home / 819,393.40-1,230,011.70-633,230.20

Finding the Fourth Proportional to 819,393.40, 1,230,011.70 and 633,230.20

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Solution

The fourth proportional to 819,393.40, 1,230,011.70 and 633,230.20 is: 950,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,393.40 : 1,230,011.70 = 633,230.20 : x
  2. Step 2: Convert to fraction form
    819,393.40/1,230,011.70 = 633,230.20/x
  3. Step 3: Cross multiply
    819,393.40x = 1,230,011.70 × 633,230.20
  4. Step 4: Simplify right side
    819,393.40x = 778,880,554,793.34
  5. Step 5: Solve for x
    x = 778,880,554,793.34/819,393.40
  6. Step 6: Final answer
    x = 950,557.52

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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.