Home / 981,813.22-1,354,910.31-552,089.59

Finding the Fourth Proportional to 981,813.22, 1,354,910.31 and 552,089.59

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Solution

The fourth proportional to 981,813.22, 1,354,910.31 and 552,089.59 is: 761,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,813.22 : 1,354,910.31 = 552,089.59 : x
  2. Step 2: Convert to fraction form
    981,813.22/1,354,910.31 = 552,089.59/x
  3. Step 3: Cross multiply
    981,813.22x = 1,354,910.31 × 552,089.59
  4. Step 4: Simplify right side
    981,813.22x = 748,031,877,534.67
  5. Step 5: Solve for x
    x = 748,031,877,534.67/981,813.22
  6. Step 6: Final answer
    x = 761,888.17

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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.