Home / 385,623.30-578,656.26-301,146.30

Finding the Fourth Proportional to 385,623.30, 578,656.26 and 301,146.30

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Solution

The fourth proportional to 385,623.30, 578,656.26 and 301,146.30 is: 451,892.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,623.30 : 578,656.26 = 301,146.30 : x
  2. Step 2: Convert to fraction form
    385,623.30/578,656.26 = 301,146.30/x
  3. Step 3: Cross multiply
    385,623.30x = 578,656.26 × 301,146.30
  4. Step 4: Simplify right side
    385,623.30x = 174,260,191,670.84
  5. Step 5: Solve for x
    x = 174,260,191,670.84/385,623.30
  6. Step 6: Final answer
    x = 451,892.28

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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.