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Finding the Fourth Proportional to 530,447.30, 732,033.06 and 326,615.84

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Solution

The fourth proportional to 530,447.30, 732,033.06 and 326,615.84 is: 450,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,447.30 : 732,033.06 = 326,615.84 : x
  2. Step 2: Convert to fraction form
    530,447.30/732,033.06 = 326,615.84/x
  3. Step 3: Cross multiply
    530,447.30x = 732,033.06 × 326,615.84
  4. Step 4: Simplify right side
    530,447.30x = 239,093,592,799.67
  5. Step 5: Solve for x
    x = 239,093,592,799.67/530,447.30
  6. Step 6: Final answer
    x = 450,739.58

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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.