Home / 806,840.08-1,210,371.06-274,218.16

Finding the Fourth Proportional to 806,840.08, 1,210,371.06 and 274,218.16

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Solution

The fourth proportional to 806,840.08, 1,210,371.06 and 274,218.16 is: 411,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,840.08 : 1,210,371.06 = 274,218.16 : x
  2. Step 2: Convert to fraction form
    806,840.08/1,210,371.06 = 274,218.16/x
  3. Step 3: Cross multiply
    806,840.08x = 1,210,371.06 × 274,218.16
  4. Step 4: Simplify right side
    806,840.08x = 331,905,724,990.45
  5. Step 5: Solve for x
    x = 331,905,724,990.45/806,840.08
  6. Step 6: Final answer
    x = 411,364.94

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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.