Home / 808,775.16-1,213,318.20-310,100.28

Finding the Fourth Proportional to 808,775.16, 1,213,318.20 and 310,100.28

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Solution

The fourth proportional to 808,775.16, 1,213,318.20 and 310,100.28 is: 465,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,775.16 : 1,213,318.20 = 310,100.28 : x
  2. Step 2: Convert to fraction form
    808,775.16/1,213,318.20 = 310,100.28/x
  3. Step 3: Cross multiply
    808,775.16x = 1,213,318.20 × 310,100.28
  4. Step 4: Simplify right side
    808,775.16x = 376,250,313,549.10
  5. Step 5: Solve for x
    x = 376,250,313,549.10/808,775.16
  6. Step 6: Final answer
    x = 465,210.03

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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.