Home / 790,170.75-1,090,088.15-463,316.92

Finding the Fourth Proportional to 790,170.75, 1,090,088.15 and 463,316.92

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Solution

The fourth proportional to 790,170.75, 1,090,088.15 and 463,316.92 is: 639,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,170.75 : 1,090,088.15 = 463,316.92 : x
  2. Step 2: Convert to fraction form
    790,170.75/1,090,088.15 = 463,316.92/x
  3. Step 3: Cross multiply
    790,170.75x = 1,090,088.15 × 463,316.92
  4. Step 4: Simplify right side
    790,170.75x = 505,056,279,144.69
  5. Step 5: Solve for x
    x = 505,056,279,144.69/790,170.75
  6. Step 6: Final answer
    x = 639,173.60

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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.