Home / 790,257.67-1,090,555.67-427,684.15

Finding the Fourth Proportional to 790,257.67, 1,090,555.67 and 427,684.15

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Solution

The fourth proportional to 790,257.67, 1,090,555.67 and 427,684.15 is: 590,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,257.67 : 1,090,555.67 = 427,684.15 : x
  2. Step 2: Convert to fraction form
    790,257.67/1,090,555.67 = 427,684.15/x
  3. Step 3: Cross multiply
    790,257.67x = 1,090,555.67 × 427,684.15
  4. Step 4: Simplify right side
    790,257.67x = 466,413,374,751.63
  5. Step 5: Solve for x
    x = 466,413,374,751.63/790,257.67
  6. Step 6: Final answer
    x = 590,204.17

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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.