Home / 948,135.92-1,421,907.41-316,902.11

Finding the Fourth Proportional to 948,135.92, 1,421,907.41 and 316,902.11

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Solution

The fourth proportional to 948,135.92, 1,421,907.41 and 316,902.11 is: 475,254.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,135.92 : 1,421,907.41 = 316,902.11 : x
  2. Step 2: Convert to fraction form
    948,135.92/1,421,907.41 = 316,902.11/x
  3. Step 3: Cross multiply
    948,135.92x = 1,421,907.41 × 316,902.11
  4. Step 4: Simplify right side
    948,135.92x = 450,605,452,136.35
  5. Step 5: Solve for x
    x = 450,605,452,136.35/948,135.92
  6. Step 6: Final answer
    x = 475,254.07

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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.