Home / 863,470.04-1,294,420.98-302,198.36

Finding the Fourth Proportional to 863,470.04, 1,294,420.98 and 302,198.36

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Solution

The fourth proportional to 863,470.04, 1,294,420.98 and 302,198.36 is: 453,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,470.04 : 1,294,420.98 = 302,198.36 : x
  2. Step 2: Convert to fraction form
    863,470.04/1,294,420.98 = 302,198.36/x
  3. Step 3: Cross multiply
    863,470.04x = 1,294,420.98 × 302,198.36
  4. Step 4: Simplify right side
    863,470.04x = 391,171,897,305.59
  5. Step 5: Solve for x
    x = 391,171,897,305.59/863,470.04
  6. Step 6: Final answer
    x = 453,023.13

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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.