Home / 790,207.85-1,090,084.91-480,028.01

Finding the Fourth Proportional to 790,207.85, 1,090,084.91 and 480,028.01

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Solution

The fourth proportional to 790,207.85, 1,090,084.91 and 480,028.01 is: 662,194.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,207.85 : 1,090,084.91 = 480,028.01 : x
  2. Step 2: Convert to fraction form
    790,207.85/1,090,084.91 = 480,028.01/x
  3. Step 3: Cross multiply
    790,207.85x = 1,090,084.91 × 480,028.01
  4. Step 4: Simplify right side
    790,207.85x = 523,271,282,227.77
  5. Step 5: Solve for x
    x = 523,271,282,227.77/790,207.85
  6. Step 6: Final answer
    x = 662,194.49

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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.