Home / 873,754.23-1,311,102.18-368,665.28

Finding the Fourth Proportional to 873,754.23, 1,311,102.18 and 368,665.28

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Solution

The fourth proportional to 873,754.23, 1,311,102.18 and 368,665.28 is: 553,196.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,754.23 : 1,311,102.18 = 368,665.28 : x
  2. Step 2: Convert to fraction form
    873,754.23/1,311,102.18 = 368,665.28/x
  3. Step 3: Cross multiply
    873,754.23x = 1,311,102.18 × 368,665.28
  4. Step 4: Simplify right side
    873,754.23x = 483,357,845,742.80
  5. Step 5: Solve for x
    x = 483,357,845,742.80/873,754.23
  6. Step 6: Final answer
    x = 553,196.57

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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.