Home / 786,829.32-1,178,250.93-487,893.75

Finding the Fourth Proportional to 786,829.32, 1,178,250.93 and 487,893.75

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Solution

The fourth proportional to 786,829.32, 1,178,250.93 and 487,893.75 is: 730,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,829.32 : 1,178,250.93 = 487,893.75 : x
  2. Step 2: Convert to fraction form
    786,829.32/1,178,250.93 = 487,893.75/x
  3. Step 3: Cross multiply
    786,829.32x = 1,178,250.93 × 487,893.75
  4. Step 4: Simplify right side
    786,829.32x = 574,861,264,678.69
  5. Step 5: Solve for x
    x = 574,861,264,678.69/786,829.32
  6. Step 6: Final answer
    x = 730,604.78

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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.