Home / 790,091.92-1,090,136.55-479,985.49

Finding the Fourth Proportional to 790,091.92, 1,090,136.55 and 479,985.49

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Solution

The fourth proportional to 790,091.92, 1,090,136.55 and 479,985.49 is: 662,264.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,091.92 : 1,090,136.55 = 479,985.49 : x
  2. Step 2: Convert to fraction form
    790,091.92/1,090,136.55 = 479,985.49/x
  3. Step 3: Cross multiply
    790,091.92x = 1,090,136.55 × 479,985.49
  4. Step 4: Simplify right side
    790,091.92x = 523,249,726,118.66
  5. Step 5: Solve for x
    x = 523,249,726,118.66/790,091.92
  6. Step 6: Final answer
    x = 662,264.37

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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.