Home / 790,389.36-1,185,806.04-317,406.84

Finding the Fourth Proportional to 790,389.36, 1,185,806.04 and 317,406.84

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Solution

The fourth proportional to 790,389.36, 1,185,806.04 and 317,406.84 is: 476,199.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,389.36 : 1,185,806.04 = 317,406.84 : x
  2. Step 2: Convert to fraction form
    790,389.36/1,185,806.04 = 317,406.84/x
  3. Step 3: Cross multiply
    790,389.36x = 1,185,806.04 × 317,406.84
  4. Step 4: Simplify right side
    790,389.36x = 376,382,948,009.31
  5. Step 5: Solve for x
    x = 376,382,948,009.31/790,389.36
  6. Step 6: Final answer
    x = 476,199.41

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Double scale
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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.