Home / 385,445.10-578,164.40-301,276.06

Finding the Fourth Proportional to 385,445.10, 578,164.40 and 301,276.06

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Solution

The fourth proportional to 385,445.10, 578,164.40 and 301,276.06 is: 451,911.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,445.10 : 578,164.40 = 301,276.06 : x
  2. Step 2: Convert to fraction form
    385,445.10/578,164.40 = 301,276.06/x
  3. Step 3: Cross multiply
    385,445.10x = 578,164.40 × 301,276.06
  4. Step 4: Simplify right side
    385,445.10x = 174,187,092,464.26
  5. Step 5: Solve for x
    x = 174,187,092,464.26/385,445.10
  6. Step 6: Final answer
    x = 451,911.55

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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.