Home / 802,647.09-1,107,497.00-475,899.72

Finding the Fourth Proportional to 802,647.09, 1,107,497.00 and 475,899.72

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Solution

The fourth proportional to 802,647.09, 1,107,497.00 and 475,899.72 is: 656,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,647.09 : 1,107,497.00 = 475,899.72 : x
  2. Step 2: Convert to fraction form
    802,647.09/1,107,497.00 = 475,899.72/x
  3. Step 3: Cross multiply
    802,647.09x = 1,107,497.00 × 475,899.72
  4. Step 4: Simplify right side
    802,647.09x = 527,057,504,283.86
  5. Step 5: Solve for x
    x = 527,057,504,283.86/802,647.09
  6. Step 6: Final answer
    x = 656,649.12

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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.