Home / 652,348.08-899,407.20-422,499.36

Finding the Fourth Proportional to 652,348.08, 899,407.20 and 422,499.36

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Solution

The fourth proportional to 652,348.08, 899,407.20 and 422,499.36 is: 582,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,348.08 : 899,407.20 = 422,499.36 : x
  2. Step 2: Convert to fraction form
    652,348.08/899,407.20 = 422,499.36/x
  3. Step 3: Cross multiply
    652,348.08x = 899,407.20 × 422,499.36
  4. Step 4: Simplify right side
    652,348.08x = 379,998,966,379.39
  5. Step 5: Solve for x
    x = 379,998,966,379.39/652,348.08
  6. Step 6: Final answer
    x = 582,509.52

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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.