Home / 747,193.44-1,030,814.92-489,133.51

Finding the Fourth Proportional to 747,193.44, 1,030,814.92 and 489,133.51

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Solution

The fourth proportional to 747,193.44, 1,030,814.92 and 489,133.51 is: 674,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,193.44 : 1,030,814.92 = 489,133.51 : x
  2. Step 2: Convert to fraction form
    747,193.44/1,030,814.92 = 489,133.51/x
  3. Step 3: Cross multiply
    747,193.44x = 1,030,814.92 × 489,133.51
  4. Step 4: Simplify right side
    747,193.44x = 504,206,119,979.97
  5. Step 5: Solve for x
    x = 504,206,119,979.97/747,193.44
  6. Step 6: Final answer
    x = 674,799.98

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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.