Home / 790,606.80-1,185,962.16-317,230.64

Finding the Fourth Proportional to 790,606.80, 1,185,962.16 and 317,230.64

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Solution

The fourth proportional to 790,606.80, 1,185,962.16 and 317,230.64 is: 475,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,606.80 : 1,185,962.16 = 317,230.64 : x
  2. Step 2: Convert to fraction form
    790,606.80/1,185,962.16 = 317,230.64/x
  3. Step 3: Cross multiply
    790,606.80x = 1,185,962.16 × 317,230.64
  4. Step 4: Simplify right side
    790,606.80x = 376,223,535,032.58
  5. Step 5: Solve for x
    x = 376,223,535,032.58/790,606.80
  6. Step 6: Final answer
    x = 475,866.81

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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.