Home / 808,617.30-1,211,322.15-708,890.10

Finding the Fourth Proportional to 808,617.30, 1,211,322.15 and 708,890.10

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Solution

The fourth proportional to 808,617.30, 1,211,322.15 and 708,890.10 is: 1,061,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,617.30 : 1,211,322.15 = 708,890.10 : x
  2. Step 2: Convert to fraction form
    808,617.30/1,211,322.15 = 708,890.10/x
  3. Step 3: Cross multiply
    808,617.30x = 1,211,322.15 × 708,890.10
  4. Step 4: Simplify right side
    808,617.30x = 858,694,280,045.72
  5. Step 5: Solve for x
    x = 858,694,280,045.72/808,617.30
  6. Step 6: Final answer
    x = 1,061,929.15

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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.