Home / 882,782.28-1,323,254.85-409,078.08

Finding the Fourth Proportional to 882,782.28, 1,323,254.85 and 409,078.08

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Solution

The fourth proportional to 882,782.28, 1,323,254.85 and 409,078.08 is: 613,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,782.28 : 1,323,254.85 = 409,078.08 : x
  2. Step 2: Convert to fraction form
    882,782.28/1,323,254.85 = 409,078.08/x
  3. Step 3: Cross multiply
    882,782.28x = 1,323,254.85 × 409,078.08
  4. Step 4: Simplify right side
    882,782.28x = 541,314,553,388.69
  5. Step 5: Solve for x
    x = 541,314,553,388.69/882,782.28
  6. Step 6: Final answer
    x = 613,191.46

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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.