Home / 770,513.70-1,155,774.15-271,877.70

Finding the Fourth Proportional to 770,513.70, 1,155,774.15 and 271,877.70

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Solution

The fourth proportional to 770,513.70, 1,155,774.15 and 271,877.70 is: 407,817.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,513.70 : 1,155,774.15 = 271,877.70 : x
  2. Step 2: Convert to fraction form
    770,513.70/1,155,774.15 = 271,877.70/x
  3. Step 3: Cross multiply
    770,513.70x = 1,155,774.15 × 271,877.70
  4. Step 4: Simplify right side
    770,513.70x = 314,229,217,621.46
  5. Step 5: Solve for x
    x = 314,229,217,621.46/770,513.70
  6. Step 6: Final answer
    x = 407,817.82

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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.