Home / 806,979.30-1,210,468.95-492,051.30

Finding the Fourth Proportional to 806,979.30, 1,210,468.95 and 492,051.30

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Solution

The fourth proportional to 806,979.30, 1,210,468.95 and 492,051.30 is: 738,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,979.30 : 1,210,468.95 = 492,051.30 : x
  2. Step 2: Convert to fraction form
    806,979.30/1,210,468.95 = 492,051.30/x
  3. Step 3: Cross multiply
    806,979.30x = 1,210,468.95 × 492,051.30
  4. Step 4: Simplify right side
    806,979.30x = 595,612,820,457.14
  5. Step 5: Solve for x
    x = 595,612,820,457.14/806,979.30
  6. Step 6: Final answer
    x = 738,076.95

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Double scale
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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.