Home / 945,085.42-1,417,434.81-270,986.14

Finding the Fourth Proportional to 945,085.42, 1,417,434.81 and 270,986.14

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Solution

The fourth proportional to 945,085.42, 1,417,434.81 and 270,986.14 is: 406,423.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,085.42 : 1,417,434.81 = 270,986.14 : x
  2. Step 2: Convert to fraction form
    945,085.42/1,417,434.81 = 270,986.14/x
  3. Step 3: Cross multiply
    945,085.42x = 1,417,434.81 × 270,986.14
  4. Step 4: Simplify right side
    945,085.42x = 384,105,187,863.53
  5. Step 5: Solve for x
    x = 384,105,187,863.53/945,085.42
  6. Step 6: Final answer
    x = 406,423.78

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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.