Home / 806,682.48-1,210,277.88-380,201.04

Finding the Fourth Proportional to 806,682.48, 1,210,277.88 and 380,201.04

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Solution

The fourth proportional to 806,682.48, 1,210,277.88 and 380,201.04 is: 570,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,682.48 : 1,210,277.88 = 380,201.04 : x
  2. Step 2: Convert to fraction form
    806,682.48/1,210,277.88 = 380,201.04/x
  3. Step 3: Cross multiply
    806,682.48x = 1,210,277.88 × 380,201.04
  4. Step 4: Simplify right side
    806,682.48x = 460,148,908,665.00
  5. Step 5: Solve for x
    x = 460,148,908,665.00/806,682.48
  6. Step 6: Final answer
    x = 570,421.35

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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.