Home / 771,206.52-1,156,797.40-210,241.02

Finding the Fourth Proportional to 771,206.52, 1,156,797.40 and 210,241.02

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Solution

The fourth proportional to 771,206.52, 1,156,797.40 and 210,241.02 is: 315,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,206.52 : 1,156,797.40 = 210,241.02 : x
  2. Step 2: Convert to fraction form
    771,206.52/1,156,797.40 = 210,241.02/x
  3. Step 3: Cross multiply
    771,206.52x = 1,156,797.40 × 210,241.02
  4. Step 4: Simplify right side
    771,206.52x = 243,206,263,008.95
  5. Step 5: Solve for x
    x = 243,206,263,008.95/771,206.52
  6. Step 6: Final answer
    x = 315,358.15

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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.