Home / 865,852.32-1,298,948.58-266,711.52

Finding the Fourth Proportional to 865,852.32, 1,298,948.58 and 266,711.52

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Solution

The fourth proportional to 865,852.32, 1,298,948.58 and 266,711.52 is: 400,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,852.32 : 1,298,948.58 = 266,711.52 : x
  2. Step 2: Convert to fraction form
    865,852.32/1,298,948.58 = 266,711.52/x
  3. Step 3: Cross multiply
    865,852.32x = 1,298,948.58 × 266,711.52
  4. Step 4: Simplify right side
    865,852.32x = 346,444,550,173.64
  5. Step 5: Solve for x
    x = 346,444,550,173.64/865,852.32
  6. Step 6: Final answer
    x = 400,119.68

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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.