Home / 786,014.58-1,179,270.96-280,564.36

Finding the Fourth Proportional to 786,014.58, 1,179,270.96 and 280,564.36

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Solution

The fourth proportional to 786,014.58, 1,179,270.96 and 280,564.36 is: 420,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,014.58 : 1,179,270.96 = 280,564.36 : x
  2. Step 2: Convert to fraction form
    786,014.58/1,179,270.96 = 280,564.36/x
  3. Step 3: Cross multiply
    786,014.58x = 1,179,270.96 × 280,564.36
  4. Step 4: Simplify right side
    786,014.58x = 330,861,402,158.99
  5. Step 5: Solve for x
    x = 330,861,402,158.99/786,014.58
  6. Step 6: Final answer
    x = 420,935.45

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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.