Home / 913,664.70-1,370,691.45-282,642.30

Finding the Fourth Proportional to 913,664.70, 1,370,691.45 and 282,642.30

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Solution

The fourth proportional to 913,664.70, 1,370,691.45 and 282,642.30 is: 424,023.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,664.70 : 1,370,691.45 = 282,642.30 : x
  2. Step 2: Convert to fraction form
    913,664.70/1,370,691.45 = 282,642.30/x
  3. Step 3: Cross multiply
    913,664.70x = 1,370,691.45 × 282,642.30
  4. Step 4: Simplify right side
    913,664.70x = 387,415,384,018.34
  5. Step 5: Solve for x
    x = 387,415,384,018.34/913,664.70
  6. Step 6: Final answer
    x = 424,023.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.