Home / 730,125.24-1,007,543.34-407,830.20

Finding the Fourth Proportional to 730,125.24, 1,007,543.34 and 407,830.20

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Solution

The fourth proportional to 730,125.24, 1,007,543.34 and 407,830.20 is: 562,789.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,125.24 : 1,007,543.34 = 407,830.20 : x
  2. Step 2: Convert to fraction form
    730,125.24/1,007,543.34 = 407,830.20/x
  3. Step 3: Cross multiply
    730,125.24x = 1,007,543.34 × 407,830.20
  4. Step 4: Simplify right side
    730,125.24x = 410,906,601,860.87
  5. Step 5: Solve for x
    x = 410,906,601,860.87/730,125.24
  6. Step 6: Final answer
    x = 562,789.20

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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.