Home / 965,642.60-1,448,456.70-291,722.60

Finding the Fourth Proportional to 965,642.60, 1,448,456.70 and 291,722.60

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Solution

The fourth proportional to 965,642.60, 1,448,456.70 and 291,722.60 is: 437,581.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,642.60 : 1,448,456.70 = 291,722.60 : x
  2. Step 2: Convert to fraction form
    965,642.60/1,448,456.70 = 291,722.60/x
  3. Step 3: Cross multiply
    965,642.60x = 1,448,456.70 × 291,722.60
  4. Step 4: Simplify right side
    965,642.60x = 422,547,554,511.42
  5. Step 5: Solve for x
    x = 422,547,554,511.42/965,642.60
  6. Step 6: Final answer
    x = 437,581.72

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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.