Home / 749,289.80-1,123,934.70-510,141.35

Finding the Fourth Proportional to 749,289.80, 1,123,934.70 and 510,141.35

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Solution

The fourth proportional to 749,289.80, 1,123,934.70 and 510,141.35 is: 765,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,289.80 : 1,123,934.70 = 510,141.35 : x
  2. Step 2: Convert to fraction form
    749,289.80/1,123,934.70 = 510,141.35/x
  3. Step 3: Cross multiply
    749,289.80x = 1,123,934.70 × 510,141.35
  4. Step 4: Simplify right side
    749,289.80x = 573,365,565,169.85
  5. Step 5: Solve for x
    x = 573,365,565,169.85/749,289.80
  6. Step 6: Final answer
    x = 765,212.03

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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.