Home / 820,968.77-1,132,313.39-706,439.32

Finding the Fourth Proportional to 820,968.77, 1,132,313.39 and 706,439.32

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Solution

The fourth proportional to 820,968.77, 1,132,313.39 and 706,439.32 is: 974,349.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,968.77 : 1,132,313.39 = 706,439.32 : x
  2. Step 2: Convert to fraction form
    820,968.77/1,132,313.39 = 706,439.32/x
  3. Step 3: Cross multiply
    820,968.77x = 1,132,313.39 × 706,439.32
  4. Step 4: Simplify right side
    820,968.77x = 799,910,707,887.65
  5. Step 5: Solve for x
    x = 799,910,707,887.65/820,968.77
  6. Step 6: Final answer
    x = 974,349.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.