Home / 775,178.84-1,069,506.38-452,656.28

Finding the Fourth Proportional to 775,178.84, 1,069,506.38 and 452,656.28

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Solution

The fourth proportional to 775,178.84, 1,069,506.38 and 452,656.28 is: 624,525.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,178.84 : 1,069,506.38 = 452,656.28 : x
  2. Step 2: Convert to fraction form
    775,178.84/1,069,506.38 = 452,656.28/x
  3. Step 3: Cross multiply
    775,178.84x = 1,069,506.38 × 452,656.28
  4. Step 4: Simplify right side
    775,178.84x = 484,118,777,143.79
  5. Step 5: Solve for x
    x = 484,118,777,143.79/775,178.84
  6. Step 6: Final answer
    x = 624,525.27

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Double scale
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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.