Home / 786,486.90-1,179,534.78-337,156.86

Finding the Fourth Proportional to 786,486.90, 1,179,534.78 and 337,156.86

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Solution

The fourth proportional to 786,486.90, 1,179,534.78 and 337,156.86 is: 505,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,486.90 : 1,179,534.78 = 337,156.86 : x
  2. Step 2: Convert to fraction form
    786,486.90/1,179,534.78 = 337,156.86/x
  3. Step 3: Cross multiply
    786,486.90x = 1,179,534.78 × 337,156.86
  4. Step 4: Simplify right side
    786,486.90x = 397,688,242,685.59
  5. Step 5: Solve for x
    x = 397,688,242,685.59/786,486.90
  6. Step 6: Final answer
    x = 505,651.45

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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.