Home / 769,897.80-1,154,846.70-740,373.30

Finding the Fourth Proportional to 769,897.80, 1,154,846.70 and 740,373.30

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Solution

The fourth proportional to 769,897.80, 1,154,846.70 and 740,373.30 is: 1,110,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,897.80 : 1,154,846.70 = 740,373.30 : x
  2. Step 2: Convert to fraction form
    769,897.80/1,154,846.70 = 740,373.30/x
  3. Step 3: Cross multiply
    769,897.80x = 1,154,846.70 × 740,373.30
  4. Step 4: Simplify right side
    769,897.80x = 855,017,662,273.11
  5. Step 5: Solve for x
    x = 855,017,662,273.11/769,897.80
  6. Step 6: Final answer
    x = 1,110,559.95

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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.