Home / 899,014.32-1,348,573.24-338,053.68

Finding the Fourth Proportional to 899,014.32, 1,348,573.24 and 338,053.68

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Solution

The fourth proportional to 899,014.32, 1,348,573.24 and 338,053.68 is: 507,099.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,014.32 : 1,348,573.24 = 338,053.68 : x
  2. Step 2: Convert to fraction form
    899,014.32/1,348,573.24 = 338,053.68/x
  3. Step 3: Cross multiply
    899,014.32x = 1,348,573.24 × 338,053.68
  4. Step 4: Simplify right side
    899,014.32x = 455,890,146,531.52
  5. Step 5: Solve for x
    x = 455,890,146,531.52/899,014.32
  6. Step 6: Final answer
    x = 507,099.98

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Double scale
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Similar ratio
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1.5x scale

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.