Home / 530,439.22-732,021.92-326,607.76

Finding the Fourth Proportional to 530,439.22, 732,021.92 and 326,607.76

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Solution

The fourth proportional to 530,439.22, 732,021.92 and 326,607.76 is: 450,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,439.22 : 732,021.92 = 326,607.76 : x
  2. Step 2: Convert to fraction form
    530,439.22/732,021.92 = 326,607.76/x
  3. Step 3: Cross multiply
    530,439.22x = 732,021.92 × 326,607.76
  4. Step 4: Simplify right side
    530,439.22x = 239,084,039,562.10
  5. Step 5: Solve for x
    x = 239,084,039,562.10/530,439.22
  6. Step 6: Final answer
    x = 450,728.44

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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.