Home / 790,223.88-1,090,508.86-427,647.72

Finding the Fourth Proportional to 790,223.88, 1,090,508.86 and 427,647.72

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Solution

The fourth proportional to 790,223.88, 1,090,508.86 and 427,647.72 is: 590,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,223.88 : 1,090,508.86 = 427,647.72 : x
  2. Step 2: Convert to fraction form
    790,223.88/1,090,508.86 = 427,647.72/x
  3. Step 3: Cross multiply
    790,223.88x = 1,090,508.86 × 427,647.72
  4. Step 4: Simplify right side
    790,223.88x = 466,353,627,618.80
  5. Step 5: Solve for x
    x = 466,353,627,618.80/790,223.88
  6. Step 6: Final answer
    x = 590,153.80

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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.