Home / 731,650.72-1,009,717.26-409,341.64

Finding the Fourth Proportional to 731,650.72, 1,009,717.26 and 409,341.64

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Solution

The fourth proportional to 731,650.72, 1,009,717.26 and 409,341.64 is: 564,913.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,650.72 : 1,009,717.26 = 409,341.64 : x
  2. Step 2: Convert to fraction form
    731,650.72/1,009,717.26 = 409,341.64/x
  3. Step 3: Cross multiply
    731,650.72x = 1,009,717.26 × 409,341.64
  4. Step 4: Simplify right side
    731,650.72x = 413,319,319,144.71
  5. Step 5: Solve for x
    x = 413,319,319,144.71/731,650.72
  6. Step 6: Final answer
    x = 564,913.43

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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.