Home / 687,217.49-1,030,579.22-237,816.32

Finding the Fourth Proportional to 687,217.49, 1,030,579.22 and 237,816.32

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Solution

The fourth proportional to 687,217.49, 1,030,579.22 and 237,816.32 is: 356,638.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,217.49 : 1,030,579.22 = 237,816.32 : x
  2. Step 2: Convert to fraction form
    687,217.49/1,030,579.22 = 237,816.32/x
  3. Step 3: Cross multiply
    687,217.49x = 1,030,579.22 × 237,816.32
  4. Step 4: Simplify right side
    687,217.49x = 245,088,551,226.89
  5. Step 5: Solve for x
    x = 245,088,551,226.89/687,217.49
  6. Step 6: Final answer
    x = 356,638.99

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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.