Home / 819,727.08-1,227,031.89-603,829.20

Finding the Fourth Proportional to 819,727.08, 1,227,031.89 and 603,829.20

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Solution

The fourth proportional to 819,727.08, 1,227,031.89 and 603,829.20 is: 903,858.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,727.08 : 1,227,031.89 = 603,829.20 : x
  2. Step 2: Convert to fraction form
    819,727.08/1,227,031.89 = 603,829.20/x
  3. Step 3: Cross multiply
    819,727.08x = 1,227,031.89 × 603,829.20
  4. Step 4: Simplify right side
    819,727.08x = 740,917,684,513.19
  5. Step 5: Solve for x
    x = 740,917,684,513.19/819,727.08
  6. Step 6: Final answer
    x = 903,858.98

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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.