Home / 639,333.02-882,281.44-348,947.26

Finding the Fourth Proportional to 639,333.02, 882,281.44 and 348,947.26

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Solution

The fourth proportional to 639,333.02, 882,281.44 and 348,947.26 is: 481,548.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,333.02 : 882,281.44 = 348,947.26 : x
  2. Step 2: Convert to fraction form
    639,333.02/882,281.44 = 348,947.26/x
  3. Step 3: Cross multiply
    639,333.02x = 882,281.44 × 348,947.26
  4. Step 4: Simplify right side
    639,333.02x = 307,869,691,036.85
  5. Step 5: Solve for x
    x = 307,869,691,036.85/639,333.02
  6. Step 6: Final answer
    x = 481,548.24

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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.