Home / 693,019.06-1,039,616.07-243,634.30

Finding the Fourth Proportional to 693,019.06, 1,039,616.07 and 243,634.30

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Solution

The fourth proportional to 693,019.06, 1,039,616.07 and 243,634.30 is: 365,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,019.06 : 1,039,616.07 = 243,634.30 : x
  2. Step 2: Convert to fraction form
    693,019.06/1,039,616.07 = 243,634.30/x
  3. Step 3: Cross multiply
    693,019.06x = 1,039,616.07 × 243,634.30
  4. Step 4: Simplify right side
    693,019.06x = 253,286,133,483.20
  5. Step 5: Solve for x
    x = 253,286,133,483.20/693,019.06
  6. Step 6: Final answer
    x = 365,482.20

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Similar ratio
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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.