Home / 994,142.24-1,372,039.84-564,560.40

Finding the Fourth Proportional to 994,142.24, 1,372,039.84 and 564,560.40

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Solution

The fourth proportional to 994,142.24, 1,372,039.84 and 564,560.40 is: 779,163.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,142.24 : 1,372,039.84 = 564,560.40 : x
  2. Step 2: Convert to fraction form
    994,142.24/1,372,039.84 = 564,560.40/x
  3. Step 3: Cross multiply
    994,142.24x = 1,372,039.84 × 564,560.40
  4. Step 4: Simplify right side
    994,142.24x = 774,599,360,886.34
  5. Step 5: Solve for x
    x = 774,599,360,886.34/994,142.24
  6. Step 6: Final answer
    x = 779,163.51

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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.