Home / 790,508.40-1,185,951.56-258,030.44

Finding the Fourth Proportional to 790,508.40, 1,185,951.56 and 258,030.44

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Solution

The fourth proportional to 790,508.40, 1,185,951.56 and 258,030.44 is: 387,107.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,508.40 : 1,185,951.56 = 258,030.44 : x
  2. Step 2: Convert to fraction form
    790,508.40/1,185,951.56 = 258,030.44/x
  3. Step 3: Cross multiply
    790,508.40x = 1,185,951.56 × 258,030.44
  4. Step 4: Simplify right side
    790,508.40x = 306,011,602,845.49
  5. Step 5: Solve for x
    x = 306,011,602,845.49/790,508.40
  6. Step 6: Final answer
    x = 387,107.34

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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.