Home / 774,017.62-1,068,140.19-425,164.90

Finding the Fourth Proportional to 774,017.62, 1,068,140.19 and 425,164.90

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Solution

The fourth proportional to 774,017.62, 1,068,140.19 and 425,164.90 is: 586,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,017.62 : 1,068,140.19 = 425,164.90 : x
  2. Step 2: Convert to fraction form
    774,017.62/1,068,140.19 = 425,164.90/x
  3. Step 3: Cross multiply
    774,017.62x = 1,068,140.19 × 425,164.90
  4. Step 4: Simplify right side
    774,017.62x = 454,135,716,798.34
  5. Step 5: Solve for x
    x = 454,135,716,798.34/774,017.62
  6. Step 6: Final answer
    x = 586,725.29

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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.