Home / 731,882.84-1,009,976.58-405,210.38

Finding the Fourth Proportional to 731,882.84, 1,009,976.58 and 405,210.38

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Solution

The fourth proportional to 731,882.84, 1,009,976.58 and 405,210.38 is: 559,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,882.84 : 1,009,976.58 = 405,210.38 : x
  2. Step 2: Convert to fraction form
    731,882.84/1,009,976.58 = 405,210.38/x
  3. Step 3: Cross multiply
    731,882.84x = 1,009,976.58 × 405,210.38
  4. Step 4: Simplify right side
    731,882.84x = 409,252,988,723.02
  5. Step 5: Solve for x
    x = 409,252,988,723.02/731,882.84
  6. Step 6: Final answer
    x = 559,178.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.