Home / 790,105.36-1,185,305.64-316,827.76

Finding the Fourth Proportional to 790,105.36, 1,185,305.64 and 316,827.76

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Solution

The fourth proportional to 790,105.36, 1,185,305.64 and 316,827.76 is: 475,300.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,105.36 : 1,185,305.64 = 316,827.76 : x
  2. Step 2: Convert to fraction form
    790,105.36/1,185,305.64 = 316,827.76/x
  3. Step 3: Cross multiply
    790,105.36x = 1,185,305.64 × 316,827.76
  4. Step 4: Simplify right side
    790,105.36x = 375,537,730,836.57
  5. Step 5: Solve for x
    x = 375,537,730,836.57/790,105.36
  6. Step 6: Final answer
    x = 475,300.83

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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.