Home / 790,407.89-1,185,476.96-284,868.26

Finding the Fourth Proportional to 790,407.89, 1,185,476.96 and 284,868.26

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Solution

The fourth proportional to 790,407.89, 1,185,476.96 and 284,868.26 is: 427,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,407.89 : 1,185,476.96 = 284,868.26 : x
  2. Step 2: Convert to fraction form
    790,407.89/1,185,476.96 = 284,868.26/x
  3. Step 3: Cross multiply
    790,407.89x = 1,185,476.96 × 284,868.26
  4. Step 4: Simplify right side
    790,407.89x = 337,704,751,513.56
  5. Step 5: Solve for x
    x = 337,704,751,513.56/790,407.89
  6. Step 6: Final answer
    x = 427,253.77

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1.5x scale

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.