Home / 777,436.12-1,072,820.46-437,882.50

Finding the Fourth Proportional to 777,436.12, 1,072,820.46 and 437,882.50

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Solution

The fourth proportional to 777,436.12, 1,072,820.46 and 437,882.50 is: 604,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,436.12 : 1,072,820.46 = 437,882.50 : x
  2. Step 2: Convert to fraction form
    777,436.12/1,072,820.46 = 437,882.50/x
  3. Step 3: Cross multiply
    777,436.12x = 1,072,820.46 × 437,882.50
  4. Step 4: Simplify right side
    777,436.12x = 469,769,305,075.95
  5. Step 5: Solve for x
    x = 469,769,305,075.95/777,436.12
  6. Step 6: Final answer
    x = 604,254.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.