Home / 899,481.60-1,349,222.40-338,641.92

Finding the Fourth Proportional to 899,481.60, 1,349,222.40 and 338,641.92

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Solution

The fourth proportional to 899,481.60, 1,349,222.40 and 338,641.92 is: 507,962.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,481.60 : 1,349,222.40 = 338,641.92 : x
  2. Step 2: Convert to fraction form
    899,481.60/1,349,222.40 = 338,641.92/x
  3. Step 3: Cross multiply
    899,481.60x = 1,349,222.40 × 338,641.92
  4. Step 4: Simplify right side
    899,481.60x = 456,903,264,043.01
  5. Step 5: Solve for x
    x = 456,903,264,043.01/899,481.60
  6. Step 6: Final answer
    x = 507,962.88

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Double scale
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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.