Home / 790,345.20-1,185,573.24-317,030.58

Finding the Fourth Proportional to 790,345.20, 1,185,573.24 and 317,030.58

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Solution

The fourth proportional to 790,345.20, 1,185,573.24 and 317,030.58 is: 475,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,345.20 : 1,185,573.24 = 317,030.58 : x
  2. Step 2: Convert to fraction form
    790,345.20/1,185,573.24 = 317,030.58/x
  3. Step 3: Cross multiply
    790,345.20x = 1,185,573.24 × 317,030.58
  4. Step 4: Simplify right side
    790,345.20x = 375,862,971,909.68
  5. Step 5: Solve for x
    x = 375,862,971,909.68/790,345.20
  6. Step 6: Final answer
    x = 475,568.11

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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.