Home / 986,320.62-1,361,109.02-550,744.70

Finding the Fourth Proportional to 986,320.62, 1,361,109.02 and 550,744.70

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Solution

The fourth proportional to 986,320.62, 1,361,109.02 and 550,744.70 is: 760,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,320.62 : 1,361,109.02 = 550,744.70 : x
  2. Step 2: Convert to fraction form
    986,320.62/1,361,109.02 = 550,744.70/x
  3. Step 3: Cross multiply
    986,320.62x = 1,361,109.02 × 550,744.70
  4. Step 4: Simplify right side
    986,320.62x = 749,623,569,327.93
  5. Step 5: Solve for x
    x = 749,623,569,327.93/986,320.62
  6. Step 6: Final answer
    x = 760,020.17

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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.