Home / 743,454.30-1,115,223.94-210,933.30

Finding the Fourth Proportional to 743,454.30, 1,115,223.94 and 210,933.30

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Solution

The fourth proportional to 743,454.30, 1,115,223.94 and 210,933.30 is: 316,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,454.30 : 1,115,223.94 = 210,933.30 : x
  2. Step 2: Convert to fraction form
    743,454.30/1,115,223.94 = 210,933.30/x
  3. Step 3: Cross multiply
    743,454.30x = 1,115,223.94 × 210,933.30
  4. Step 4: Simplify right side
    743,454.30x = 235,237,865,903.20
  5. Step 5: Solve for x
    x = 235,237,865,903.20/743,454.30
  6. Step 6: Final answer
    x = 316,412.01

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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.