Home / 784,601.29-1,082,829.49-462,415.18

Finding the Fourth Proportional to 784,601.29, 1,082,829.49 and 462,415.18

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Solution

The fourth proportional to 784,601.29, 1,082,829.49 and 462,415.18 is: 638,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,601.29 : 1,082,829.49 = 462,415.18 : x
  2. Step 2: Convert to fraction form
    784,601.29/1,082,829.49 = 462,415.18/x
  3. Step 3: Cross multiply
    784,601.29x = 1,082,829.49 × 462,415.18
  4. Step 4: Simplify right side
    784,601.29x = 500,716,792,995.43
  5. Step 5: Solve for x
    x = 500,716,792,995.43/784,601.29
  6. Step 6: Final answer
    x = 638,179.93

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Double scale
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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.