Home / 478,270.24-655,233.08-460,333.60

Finding the Fourth Proportional to 478,270.24, 655,233.08 and 460,333.60

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Solution

The fourth proportional to 478,270.24, 655,233.08 and 460,333.60 is: 630,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,270.24 : 655,233.08 = 460,333.60 : x
  2. Step 2: Convert to fraction form
    478,270.24/655,233.08 = 460,333.60/x
  3. Step 3: Cross multiply
    478,270.24x = 655,233.08 × 460,333.60
  4. Step 4: Simplify right side
    478,270.24x = 301,625,802,555.49
  5. Step 5: Solve for x
    x = 301,625,802,555.49/478,270.24
  6. Step 6: Final answer
    x = 630,659.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.