Home / 836,847.05-1,254,308.29-386,622.11

Finding the Fourth Proportional to 836,847.05, 1,254,308.29 and 386,622.11

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Solution

The fourth proportional to 836,847.05, 1,254,308.29 and 386,622.11 is: 579,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,847.05 : 1,254,308.29 = 386,622.11 : x
  2. Step 2: Convert to fraction form
    836,847.05/1,254,308.29 = 386,622.11/x
  3. Step 3: Cross multiply
    836,847.05x = 1,254,308.29 × 386,622.11
  4. Step 4: Simplify right side
    836,847.05x = 484,943,319,839.51
  5. Step 5: Solve for x
    x = 484,943,319,839.51/836,847.05
  6. Step 6: Final answer
    x = 579,488.60

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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.