Home / 666,777.60-920,175.04-364,971.52

Finding the Fourth Proportional to 666,777.60, 920,175.04 and 364,971.52

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Solution

The fourth proportional to 666,777.60, 920,175.04 and 364,971.52 is: 503,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,777.60 : 920,175.04 = 364,971.52 : x
  2. Step 2: Convert to fraction form
    666,777.60/920,175.04 = 364,971.52/x
  3. Step 3: Cross multiply
    666,777.60x = 920,175.04 × 364,971.52
  4. Step 4: Simplify right side
    666,777.60x = 335,837,683,014.86
  5. Step 5: Solve for x
    x = 335,837,683,014.86/666,777.60
  6. Step 6: Final answer
    x = 503,672.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.