Home / 779,743.20-1,169,614.80-569,791.20

Finding the Fourth Proportional to 779,743.20, 1,169,614.80 and 569,791.20

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Solution

The fourth proportional to 779,743.20, 1,169,614.80 and 569,791.20 is: 854,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,743.20 : 1,169,614.80 = 569,791.20 : x
  2. Step 2: Convert to fraction form
    779,743.20/1,169,614.80 = 569,791.20/x
  3. Step 3: Cross multiply
    779,743.20x = 1,169,614.80 × 569,791.20
  4. Step 4: Simplify right side
    779,743.20x = 666,436,220,429.76
  5. Step 5: Solve for x
    x = 666,436,220,429.76/779,743.20
  6. Step 6: Final answer
    x = 854,686.80

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1.5x scale

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.