Home / 822,338.50-1,233,689.19-349,428.10

Finding the Fourth Proportional to 822,338.50, 1,233,689.19 and 349,428.10

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Solution

The fourth proportional to 822,338.50, 1,233,689.19 and 349,428.10 is: 524,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,338.50 : 1,233,689.19 = 349,428.10 : x
  2. Step 2: Convert to fraction form
    822,338.50/1,233,689.19 = 349,428.10/x
  3. Step 3: Cross multiply
    822,338.50x = 1,233,689.19 × 349,428.10
  4. Step 4: Simplify right side
    822,338.50x = 431,085,669,652.24
  5. Step 5: Solve for x
    x = 431,085,669,652.24/822,338.50
  6. Step 6: Final answer
    x = 524,219.25

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1.5x scale

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.