Home / 852,643.89-1,176,607.17-485,086.41

Finding the Fourth Proportional to 852,643.89, 1,176,607.17 and 485,086.41

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Solution

The fourth proportional to 852,643.89, 1,176,607.17 and 485,086.41 is: 669,395.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,643.89 : 1,176,607.17 = 485,086.41 : x
  2. Step 2: Convert to fraction form
    852,643.89/1,176,607.17 = 485,086.41/x
  3. Step 3: Cross multiply
    852,643.89x = 1,176,607.17 × 485,086.41
  4. Step 4: Simplify right side
    852,643.89x = 570,756,148,075.56
  5. Step 5: Solve for x
    x = 570,756,148,075.56/852,643.89
  6. Step 6: Final answer
    x = 669,395.69

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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.