Home / 899,090.64-1,348,833.12-338,125.20

Finding the Fourth Proportional to 899,090.64, 1,348,833.12 and 338,125.20

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Solution

The fourth proportional to 899,090.64, 1,348,833.12 and 338,125.20 is: 507,261.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,090.64 : 1,348,833.12 = 338,125.20 : x
  2. Step 2: Convert to fraction form
    899,090.64/1,348,833.12 = 338,125.20/x
  3. Step 3: Cross multiply
    899,090.64x = 1,348,833.12 × 338,125.20
  4. Step 4: Simplify right side
    899,090.64x = 456,074,468,466.62
  5. Step 5: Solve for x
    x = 456,074,468,466.62/899,090.64
  6. Step 6: Final answer
    x = 507,261.95

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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.