Home / 756,030.80-1,131,421.80-519,834.80

Finding the Fourth Proportional to 756,030.80, 1,131,421.80 and 519,834.80

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Solution

The fourth proportional to 756,030.80, 1,131,421.80 and 519,834.80 is: 777,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,030.80 : 1,131,421.80 = 519,834.80 : x
  2. Step 2: Convert to fraction form
    756,030.80/1,131,421.80 = 519,834.80/x
  3. Step 3: Cross multiply
    756,030.80x = 1,131,421.80 × 519,834.80
  4. Step 4: Simplify right side
    756,030.80x = 588,152,425,118.64
  5. Step 5: Solve for x
    x = 588,152,425,118.64/756,030.80
  6. Step 6: Final answer
    x = 777,947.70

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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.