Home / 937,280.80-1,405,921.20-338,334.40

Finding the Fourth Proportional to 937,280.80, 1,405,921.20 and 338,334.40

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Solution

The fourth proportional to 937,280.80, 1,405,921.20 and 338,334.40 is: 507,501.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,280.80 : 1,405,921.20 = 338,334.40 : x
  2. Step 2: Convert to fraction form
    937,280.80/1,405,921.20 = 338,334.40/x
  3. Step 3: Cross multiply
    937,280.80x = 1,405,921.20 × 338,334.40
  4. Step 4: Simplify right side
    937,280.80x = 475,671,505,649.28
  5. Step 5: Solve for x
    x = 475,671,505,649.28/937,280.80
  6. Step 6: Final answer
    x = 507,501.60

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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.