Home / 529,475.40-794,539.07-209,572.81

Finding the Fourth Proportional to 529,475.40, 794,539.07 and 209,572.81

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Solution

The fourth proportional to 529,475.40, 794,539.07 and 209,572.81 is: 314,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,475.40 : 794,539.07 = 209,572.81 : x
  2. Step 2: Convert to fraction form
    529,475.40/794,539.07 = 209,572.81/x
  3. Step 3: Cross multiply
    529,475.40x = 794,539.07 × 209,572.81
  4. Step 4: Simplify right side
    529,475.40x = 166,513,782,520.48
  5. Step 5: Solve for x
    x = 166,513,782,520.48/529,475.40
  6. Step 6: Final answer
    x = 314,488.23

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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.