Home / 530,415.37-731,989.06-326,583.89

Finding the Fourth Proportional to 530,415.37, 731,989.06 and 326,583.89

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Solution

The fourth proportional to 530,415.37, 731,989.06 and 326,583.89 is: 450,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,415.37 : 731,989.06 = 326,583.89 : x
  2. Step 2: Convert to fraction form
    530,415.37/731,989.06 = 326,583.89/x
  3. Step 3: Cross multiply
    530,415.37x = 731,989.06 × 326,583.89
  4. Step 4: Simplify right side
    530,415.37x = 239,055,830,992.30
  5. Step 5: Solve for x
    x = 239,055,830,992.30/530,415.37
  6. Step 6: Final answer
    x = 450,695.52

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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.