Home / 753,348.51-1,039,628.57-409,191.16

Finding the Fourth Proportional to 753,348.51, 1,039,628.57 and 409,191.16

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Solution

The fourth proportional to 753,348.51, 1,039,628.57 and 409,191.16 is: 564,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,348.51 : 1,039,628.57 = 409,191.16 : x
  2. Step 2: Convert to fraction form
    753,348.51/1,039,628.57 = 409,191.16/x
  3. Step 3: Cross multiply
    753,348.51x = 1,039,628.57 × 409,191.16
  4. Step 4: Simplify right side
    753,348.51x = 425,406,820,527.44
  5. Step 5: Solve for x
    x = 425,406,820,527.44/753,348.51
  6. Step 6: Final answer
    x = 564,687.94

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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.