Home / 529,140.26-730,227.15-287,436.67

Finding the Fourth Proportional to 529,140.26, 730,227.15 and 287,436.67

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Solution

The fourth proportional to 529,140.26, 730,227.15 and 287,436.67 is: 396,669.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,140.26 : 730,227.15 = 287,436.67 : x
  2. Step 2: Convert to fraction form
    529,140.26/730,227.15 = 287,436.67/x
  3. Step 3: Cross multiply
    529,140.26x = 730,227.15 × 287,436.67
  4. Step 4: Simplify right side
    529,140.26x = 209,894,058,514.02
  5. Step 5: Solve for x
    x = 209,894,058,514.02/529,140.26
  6. Step 6: Final answer
    x = 396,669.98

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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.