Home / 837,539.70-1,256,309.55-338,903.70

Finding the Fourth Proportional to 837,539.70, 1,256,309.55 and 338,903.70

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Solution

The fourth proportional to 837,539.70, 1,256,309.55 and 338,903.70 is: 508,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,539.70 : 1,256,309.55 = 338,903.70 : x
  2. Step 2: Convert to fraction form
    837,539.70/1,256,309.55 = 338,903.70/x
  3. Step 3: Cross multiply
    837,539.70x = 1,256,309.55 × 338,903.70
  4. Step 4: Simplify right side
    837,539.70x = 425,767,954,840.34
  5. Step 5: Solve for x
    x = 425,767,954,840.34/837,539.70
  6. Step 6: Final answer
    x = 508,355.55

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Similar ratio
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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.