Home / 805,284.60-1,206,890.10-617,364.60

Finding the Fourth Proportional to 805,284.60, 1,206,890.10 and 617,364.60

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Solution

The fourth proportional to 805,284.60, 1,206,890.10 and 617,364.60 is: 925,252.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,284.60 : 1,206,890.10 = 617,364.60 : x
  2. Step 2: Convert to fraction form
    805,284.60/1,206,890.10 = 617,364.60/x
  3. Step 3: Cross multiply
    805,284.60x = 1,206,890.10 × 617,364.60
  4. Step 4: Simplify right side
    805,284.60x = 745,091,223,830.46
  5. Step 5: Solve for x
    x = 745,091,223,830.46/805,284.60
  6. Step 6: Final answer
    x = 925,252.05

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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.