Home / 756,605.20-1,134,907.80-621,302.80

Finding the Fourth Proportional to 756,605.20, 1,134,907.80 and 621,302.80

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Solution

The fourth proportional to 756,605.20, 1,134,907.80 and 621,302.80 is: 931,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,605.20 : 1,134,907.80 = 621,302.80 : x
  2. Step 2: Convert to fraction form
    756,605.20/1,134,907.80 = 621,302.80/x
  3. Step 3: Cross multiply
    756,605.20x = 1,134,907.80 × 621,302.80
  4. Step 4: Simplify right side
    756,605.20x = 705,121,393,881.84
  5. Step 5: Solve for x
    x = 705,121,393,881.84/756,605.20
  6. Step 6: Final answer
    x = 931,954.20

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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.