Home / 405,330.48-559,279.08-254,359.44

Finding the Fourth Proportional to 405,330.48, 559,279.08 and 254,359.44

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Solution

The fourth proportional to 405,330.48, 559,279.08 and 254,359.44 is: 350,967.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,330.48 : 559,279.08 = 254,359.44 : x
  2. Step 2: Convert to fraction form
    405,330.48/559,279.08 = 254,359.44/x
  3. Step 3: Cross multiply
    405,330.48x = 559,279.08 × 254,359.44
  4. Step 4: Simplify right side
    405,330.48x = 142,257,913,592.52
  5. Step 5: Solve for x
    x = 142,257,913,592.52/405,330.48
  6. Step 6: Final answer
    x = 350,967.72

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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.