Home / 790,302.56-1,090,608.10-427,717.80

Finding the Fourth Proportional to 790,302.56, 1,090,608.10 and 427,717.80

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Solution

The fourth proportional to 790,302.56, 1,090,608.10 and 427,717.80 is: 590,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,302.56 : 1,090,608.10 = 427,717.80 : x
  2. Step 2: Convert to fraction form
    790,302.56/1,090,608.10 = 427,717.80/x
  3. Step 3: Cross multiply
    790,302.56x = 1,090,608.10 × 427,717.80
  4. Step 4: Simplify right side
    790,302.56x = 466,472,496,124.89
  5. Step 5: Solve for x
    x = 466,472,496,124.89/790,302.56
  6. Step 6: Final answer
    x = 590,245.46

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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.