Home / 730,777.68-1,008,485.64-408,494.16

Finding the Fourth Proportional to 730,777.68, 1,008,485.64 and 408,494.16

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Solution

The fourth proportional to 730,777.68, 1,008,485.64 and 408,494.16 is: 563,728.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,777.68 : 1,008,485.64 = 408,494.16 : x
  2. Step 2: Convert to fraction form
    730,777.68/1,008,485.64 = 408,494.16/x
  3. Step 3: Cross multiply
    730,777.68x = 1,008,485.64 × 408,494.16
  4. Step 4: Simplify right side
    730,777.68x = 411,960,494,383.86
  5. Step 5: Solve for x
    x = 411,960,494,383.86/730,777.68
  6. Step 6: Final answer
    x = 563,728.90

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Double scale
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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.