Home / 865,764.32-1,298,938.08-545,544.32

Finding the Fourth Proportional to 865,764.32, 1,298,938.08 and 545,544.32

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Solution

The fourth proportional to 865,764.32, 1,298,938.08 and 545,544.32 is: 818,500.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,764.32 : 1,298,938.08 = 545,544.32 : x
  2. Step 2: Convert to fraction form
    865,764.32/1,298,938.08 = 545,544.32/x
  3. Step 3: Cross multiply
    865,764.32x = 1,298,938.08 × 545,544.32
  4. Step 4: Simplify right side
    865,764.32x = 708,628,291,575.71
  5. Step 5: Solve for x
    x = 708,628,291,575.71/865,764.32
  6. Step 6: Final answer
    x = 818,500.23

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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.