Home / 787,278.80-1,181,071.80-337,998.80

Finding the Fourth Proportional to 787,278.80, 1,181,071.80 and 337,998.80

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Solution

The fourth proportional to 787,278.80, 1,181,071.80 and 337,998.80 is: 507,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,278.80 : 1,181,071.80 = 337,998.80 : x
  2. Step 2: Convert to fraction form
    787,278.80/1,181,071.80 = 337,998.80/x
  3. Step 3: Cross multiply
    787,278.80x = 1,181,071.80 × 337,998.80
  4. Step 4: Simplify right side
    787,278.80x = 399,200,851,113.84
  5. Step 5: Solve for x
    x = 399,200,851,113.84/787,278.80
  6. Step 6: Final answer
    x = 507,064.14

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Double scale
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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.