Home / 838,315.30-1,257,262.89-358,305.82

Finding the Fourth Proportional to 838,315.30, 1,257,262.89 and 358,305.82

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Solution

The fourth proportional to 838,315.30, 1,257,262.89 and 358,305.82 is: 537,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,315.30 : 1,257,262.89 = 358,305.82 : x
  2. Step 2: Convert to fraction form
    838,315.30/1,257,262.89 = 358,305.82/x
  3. Step 3: Cross multiply
    838,315.30x = 1,257,262.89 × 358,305.82
  4. Step 4: Simplify right side
    838,315.30x = 450,484,610,757.02
  5. Step 5: Solve for x
    x = 450,484,610,757.02/838,315.30
  6. Step 6: Final answer
    x = 537,368.95

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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.