Home / 1,487.04-2,230.20-622.32

Finding the Fourth Proportional to 1,487.04, 2,230.20 and 622.32

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Solution

The fourth proportional to 1,487.04, 2,230.20 and 622.32 is: 933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487.04 : 2,230.20 = 622.32 : x
  2. Step 2: Convert to fraction form
    1,487.04/2,230.20 = 622.32/x
  3. Step 3: Cross multiply
    1,487.04x = 2,230.20 × 622.32
  4. Step 4: Simplify right side
    1,487.04x = 1,387,898.06
  5. Step 5: Solve for x
    x = 1,387,898.06/1,487.04
  6. Step 6: Final answer
    x = 933.33

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1.5x scale

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.