Home / 346,054.40-519,081.60-329,724.80

Finding the Fourth Proportional to 346,054.40, 519,081.60 and 329,724.80

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Solution

The fourth proportional to 346,054.40, 519,081.60 and 329,724.80 is: 494,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,054.40 : 519,081.60 = 329,724.80 : x
  2. Step 2: Convert to fraction form
    346,054.40/519,081.60 = 329,724.80/x
  3. Step 3: Cross multiply
    346,054.40x = 519,081.60 × 329,724.80
  4. Step 4: Simplify right side
    346,054.40x = 171,154,076,743.68
  5. Step 5: Solve for x
    x = 171,154,076,743.68/346,054.40
  6. Step 6: Final answer
    x = 494,587.20

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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.