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Finding the Fourth Proportional to 595,585.71, 821,905.59 and 323,648.46

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Solution

The fourth proportional to 595,585.71, 821,905.59 and 323,648.46 is: 446,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,585.71 : 821,905.59 = 323,648.46 : x
  2. Step 2: Convert to fraction form
    595,585.71/821,905.59 = 323,648.46/x
  3. Step 3: Cross multiply
    595,585.71x = 821,905.59 × 323,648.46
  4. Step 4: Simplify right side
    595,585.71x = 266,008,478,468.89
  5. Step 5: Solve for x
    x = 266,008,478,468.89/595,585.71
  6. Step 6: Final answer
    x = 446,633.41

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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.