Home / 802,170.40-1,107,498.48-516,187.48

Finding the Fourth Proportional to 802,170.40, 1,107,498.48 and 516,187.48

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Solution

The fourth proportional to 802,170.40, 1,107,498.48 and 516,187.48 is: 712,662.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,170.40 : 1,107,498.48 = 516,187.48 : x
  2. Step 2: Convert to fraction form
    802,170.40/1,107,498.48 = 516,187.48/x
  3. Step 3: Cross multiply
    802,170.40x = 1,107,498.48 × 516,187.48
  4. Step 4: Simplify right side
    802,170.40x = 571,676,849,495.03
  5. Step 5: Solve for x
    x = 571,676,849,495.03/802,170.40
  6. Step 6: Final answer
    x = 712,662.61

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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.