Home / 790,531.75-1,090,933.57-427,955.35

Finding the Fourth Proportional to 790,531.75, 1,090,933.57 and 427,955.35

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Solution

The fourth proportional to 790,531.75, 1,090,933.57 and 427,955.35 is: 590,578.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,531.75 : 1,090,933.57 = 427,955.35 : x
  2. Step 2: Convert to fraction form
    790,531.75/1,090,933.57 = 427,955.35/x
  3. Step 3: Cross multiply
    790,531.75x = 1,090,933.57 × 427,955.35
  4. Step 4: Simplify right side
    790,531.75x = 466,870,857,776.10
  5. Step 5: Solve for x
    x = 466,870,857,776.10/790,531.75
  6. Step 6: Final answer
    x = 590,578.25

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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.