Home / 937,640.40-1,293,943.67-507,920.43

Finding the Fourth Proportional to 937,640.40, 1,293,943.67 and 507,920.43

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Solution

The fourth proportional to 937,640.40, 1,293,943.67 and 507,920.43 is: 700,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,640.40 : 1,293,943.67 = 507,920.43 : x
  2. Step 2: Convert to fraction form
    937,640.40/1,293,943.67 = 507,920.43/x
  3. Step 3: Cross multiply
    937,640.40x = 1,293,943.67 × 507,920.43
  4. Step 4: Simplify right side
    937,640.40x = 657,220,422,722.58
  5. Step 5: Solve for x
    x = 657,220,422,722.58/937,640.40
  6. Step 6: Final answer
    x = 700,930.15

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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.