Home / 808,521.30-1,210,449.15-808,521.30

Finding the Fourth Proportional to 808,521.30, 1,210,449.15 and 808,521.30

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Solution

The fourth proportional to 808,521.30, 1,210,449.15 and 808,521.30 is: 1,210,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,521.30 : 1,210,449.15 = 808,521.30 : x
  2. Step 2: Convert to fraction form
    808,521.30/1,210,449.15 = 808,521.30/x
  3. Step 3: Cross multiply
    808,521.30x = 1,210,449.15 × 808,521.30
  4. Step 4: Simplify right side
    808,521.30x = 978,673,920,341.90
  5. Step 5: Solve for x
    x = 978,673,920,341.90/808,521.30
  6. Step 6: Final answer
    x = 1,210,449.15

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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.