Home / 340,914.15-507,346.02-329,561.55

Finding the Fourth Proportional to 340,914.15, 507,346.02 and 329,561.55

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Solution

The fourth proportional to 340,914.15, 507,346.02 and 329,561.55 is: 490,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,914.15 : 507,346.02 = 329,561.55 : x
  2. Step 2: Convert to fraction form
    340,914.15/507,346.02 = 329,561.55/x
  3. Step 3: Cross multiply
    340,914.15x = 507,346.02 × 329,561.55
  4. Step 4: Simplify right side
    340,914.15x = 167,201,740,737.53
  5. Step 5: Solve for x
    x = 167,201,740,737.53/340,914.15
  6. Step 6: Final answer
    x = 490,451.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.