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Finding the Fourth Proportional to 601,778.71, 830,447.22 and 326,130.67

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Solution

The fourth proportional to 601,778.71, 830,447.22 and 326,130.67 is: 450,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,778.71 : 830,447.22 = 326,130.67 : x
  2. Step 2: Convert to fraction form
    601,778.71/830,447.22 = 326,130.67/x
  3. Step 3: Cross multiply
    601,778.71x = 830,447.22 × 326,130.67
  4. Step 4: Simplify right side
    601,778.71x = 270,834,308,258.24
  5. Step 5: Solve for x
    x = 270,834,308,258.24/601,778.71
  6. Step 6: Final answer
    x = 450,056.31

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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.