Home / 819,402.15-1,226,721.07-476,801.43

Finding the Fourth Proportional to 819,402.15, 1,226,721.07 and 476,801.43

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Solution

The fourth proportional to 819,402.15, 1,226,721.07 and 476,801.43 is: 713,815.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,402.15 : 1,226,721.07 = 476,801.43 : x
  2. Step 2: Convert to fraction form
    819,402.15/1,226,721.07 = 476,801.43/x
  3. Step 3: Cross multiply
    819,402.15x = 1,226,721.07 × 476,801.43
  4. Step 4: Simplify right side
    819,402.15x = 584,902,358,003.12
  5. Step 5: Solve for x
    x = 584,902,358,003.12/819,402.15
  6. Step 6: Final answer
    x = 713,815.99

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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.