Home / 786,477.60-1,179,500.94-217,722.60

Finding the Fourth Proportional to 786,477.60, 1,179,500.94 and 217,722.60

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Solution

The fourth proportional to 786,477.60, 1,179,500.94 and 217,722.60 is: 326,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,477.60 : 1,179,500.94 = 217,722.60 : x
  2. Step 2: Convert to fraction form
    786,477.60/1,179,500.94 = 217,722.60/x
  3. Step 3: Cross multiply
    786,477.60x = 1,179,500.94 × 217,722.60
  4. Step 4: Simplify right side
    786,477.60x = 256,804,011,359.24
  5. Step 5: Solve for x
    x = 256,804,011,359.24/786,477.60
  6. Step 6: Final answer
    x = 326,524.25

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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.