Home / 786,935.62-1,180,776.88-407,785.48

Finding the Fourth Proportional to 786,935.62, 1,180,776.88 and 407,785.48

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Solution

The fourth proportional to 786,935.62, 1,180,776.88 and 407,785.48 is: 611,871.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,935.62 : 1,180,776.88 = 407,785.48 : x
  2. Step 2: Convert to fraction form
    786,935.62/1,180,776.88 = 407,785.48/x
  3. Step 3: Cross multiply
    786,935.62x = 1,180,776.88 × 407,785.48
  4. Step 4: Simplify right side
    786,935.62x = 481,503,666,783.70
  5. Step 5: Solve for x
    x = 481,503,666,783.70/786,935.62
  6. Step 6: Final answer
    x = 611,871.74

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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.