Home / 775,308.16-1,163,681.88-396,499.60

Finding the Fourth Proportional to 775,308.16, 1,163,681.88 and 396,499.60

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Solution

The fourth proportional to 775,308.16, 1,163,681.88 and 396,499.60 is: 595,117.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,308.16 : 1,163,681.88 = 396,499.60 : x
  2. Step 2: Convert to fraction form
    775,308.16/1,163,681.88 = 396,499.60/x
  3. Step 3: Cross multiply
    775,308.16x = 1,163,681.88 × 396,499.60
  4. Step 4: Simplify right side
    775,308.16x = 461,399,399,947.25
  5. Step 5: Solve for x
    x = 461,399,399,947.25/775,308.16
  6. Step 6: Final answer
    x = 595,117.43

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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.