Home / 860,031.24-1,290,402.20-433,339

Finding the Fourth Proportional to 860,031.24, 1,290,402.20 and 433,339

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Solution

The fourth proportional to 860,031.24, 1,290,402.20 and 433,339 is: 650,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,031.24 : 1,290,402.20 = 433,339 : x
  2. Step 2: Convert to fraction form
    860,031.24/1,290,402.20 = 433,339/x
  3. Step 3: Cross multiply
    860,031.24x = 1,290,402.20 × 433,339
  4. Step 4: Simplify right side
    860,031.24x = 559,181,598,945.80
  5. Step 5: Solve for x
    x = 559,181,598,945.80/860,031.24
  6. Step 6: Final answer
    x = 650,187.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.