Home / 743,214.30-1,114,863.84-210,693.47

Finding the Fourth Proportional to 743,214.30, 1,114,863.84 and 210,693.47

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Solution

The fourth proportional to 743,214.30, 1,114,863.84 and 210,693.47 is: 316,052.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,214.30 : 1,114,863.84 = 210,693.47 : x
  2. Step 2: Convert to fraction form
    743,214.30/1,114,863.84 = 210,693.47/x
  3. Step 3: Cross multiply
    743,214.30x = 1,114,863.84 × 210,693.47
  4. Step 4: Simplify right side
    743,214.30x = 234,894,525,452.81
  5. Step 5: Solve for x
    x = 234,894,525,452.81/743,214.30
  6. Step 6: Final answer
    x = 316,052.21

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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.