Home / 822,093.28-1,233,146.40-289,492.36

Finding the Fourth Proportional to 822,093.28, 1,233,146.40 and 289,492.36

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Solution

The fourth proportional to 822,093.28, 1,233,146.40 and 289,492.36 is: 434,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,093.28 : 1,233,146.40 = 289,492.36 : x
  2. Step 2: Convert to fraction form
    822,093.28/1,233,146.40 = 289,492.36/x
  3. Step 3: Cross multiply
    822,093.28x = 1,233,146.40 × 289,492.36
  4. Step 4: Simplify right side
    822,093.28x = 356,986,461,561.50
  5. Step 5: Solve for x
    x = 356,986,461,561.50/822,093.28
  6. Step 6: Final answer
    x = 434,240.82

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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.