Home / 563,931.54-778,223.97-322,289.10

Finding the Fourth Proportional to 563,931.54, 778,223.97 and 322,289.10

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Solution

The fourth proportional to 563,931.54, 778,223.97 and 322,289.10 is: 444,758.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,931.54 : 778,223.97 = 322,289.10 : x
  2. Step 2: Convert to fraction form
    563,931.54/778,223.97 = 322,289.10/x
  3. Step 3: Cross multiply
    563,931.54x = 778,223.97 × 322,289.10
  4. Step 4: Simplify right side
    563,931.54x = 250,813,102,889.73
  5. Step 5: Solve for x
    x = 250,813,102,889.73/563,931.54
  6. Step 6: Final answer
    x = 444,758.07

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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.