Home / 790,084.04-1,090,126.37-479,980.43

Finding the Fourth Proportional to 790,084.04, 1,090,126.37 and 479,980.43

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Solution

The fourth proportional to 790,084.04, 1,090,126.37 and 479,980.43 is: 662,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,084.04 : 1,090,126.37 = 479,980.43 : x
  2. Step 2: Convert to fraction form
    790,084.04/1,090,126.37 = 479,980.43/x
  3. Step 3: Cross multiply
    790,084.04x = 1,090,126.37 × 479,980.43
  4. Step 4: Simplify right side
    790,084.04x = 523,239,323,509.80
  5. Step 5: Solve for x
    x = 523,239,323,509.80/790,084.04
  6. Step 6: Final answer
    x = 662,257.80

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Double scale
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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.