Home / 775,346.64-1,069,532.04-484,453.68

Finding the Fourth Proportional to 775,346.64, 1,069,532.04 and 484,453.68

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Solution

The fourth proportional to 775,346.64, 1,069,532.04 and 484,453.68 is: 668,267.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,346.64 : 1,069,532.04 = 484,453.68 : x
  2. Step 2: Convert to fraction form
    775,346.64/1,069,532.04 = 484,453.68/x
  3. Step 3: Cross multiply
    775,346.64x = 1,069,532.04 × 484,453.68
  4. Step 4: Simplify right side
    775,346.64x = 518,138,732,655.91
  5. Step 5: Solve for x
    x = 518,138,732,655.91/775,346.64
  6. Step 6: Final answer
    x = 668,267.21

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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.