Home / 803,879.48-1,109,312.90-477,206.48

Finding the Fourth Proportional to 803,879.48, 1,109,312.90 and 477,206.48

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Solution

The fourth proportional to 803,879.48, 1,109,312.90 and 477,206.48 is: 658,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,879.48 : 1,109,312.90 = 477,206.48 : x
  2. Step 2: Convert to fraction form
    803,879.48/1,109,312.90 = 477,206.48/x
  3. Step 3: Cross multiply
    803,879.48x = 1,109,312.90 × 477,206.48
  4. Step 4: Simplify right side
    803,879.48x = 529,371,304,227.59
  5. Step 5: Solve for x
    x = 529,371,304,227.59/803,879.48
  6. Step 6: Final answer
    x = 658,520.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.