Home / 802,210.11-1,107,032.31-439,626.30

Finding the Fourth Proportional to 802,210.11, 1,107,032.31 and 439,626.30

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Solution

The fourth proportional to 802,210.11, 1,107,032.31 and 439,626.30 is: 606,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,210.11 : 1,107,032.31 = 439,626.30 : x
  2. Step 2: Convert to fraction form
    802,210.11/1,107,032.31 = 439,626.30/x
  3. Step 3: Cross multiply
    802,210.11x = 1,107,032.31 × 439,626.30
  4. Step 4: Simplify right side
    802,210.11x = 486,680,518,425.75
  5. Step 5: Solve for x
    x = 486,680,518,425.75/802,210.11
  6. Step 6: Final answer
    x = 606,674.63

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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.