Home / 747,350.52-1,031,365.56-407,840.64

Finding the Fourth Proportional to 747,350.52, 1,031,365.56 and 407,840.64

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Solution

The fourth proportional to 747,350.52, 1,031,365.56 and 407,840.64 is: 562,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,350.52 : 1,031,365.56 = 407,840.64 : x
  2. Step 2: Convert to fraction form
    747,350.52/1,031,365.56 = 407,840.64/x
  3. Step 3: Cross multiply
    747,350.52x = 1,031,365.56 × 407,840.64
  4. Step 4: Simplify right side
    747,350.52x = 420,632,790,064.36
  5. Step 5: Solve for x
    x = 420,632,790,064.36/747,350.52
  6. Step 6: Final answer
    x = 562,832.00

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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.