Home / 743,463.76-1,115,756.48-344,384.52

Finding the Fourth Proportional to 743,463.76, 1,115,756.48 and 344,384.52

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Solution

The fourth proportional to 743,463.76, 1,115,756.48 and 344,384.52 is: 516,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,463.76 : 1,115,756.48 = 344,384.52 : x
  2. Step 2: Convert to fraction form
    743,463.76/1,115,756.48 = 344,384.52/x
  3. Step 3: Cross multiply
    743,463.76x = 1,115,756.48 × 344,384.52
  4. Step 4: Simplify right side
    743,463.76x = 384,249,259,801.69
  5. Step 5: Solve for x
    x = 384,249,259,801.69/743,463.76
  6. Step 6: Final answer
    x = 516,836.57

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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.