Home / 676,436.57-1,014,748.04-227,285.76

Finding the Fourth Proportional to 676,436.57, 1,014,748.04 and 227,285.76

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Solution

The fourth proportional to 676,436.57, 1,014,748.04 and 227,285.76 is: 340,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,436.57 : 1,014,748.04 = 227,285.76 : x
  2. Step 2: Convert to fraction form
    676,436.57/1,014,748.04 = 227,285.76/x
  3. Step 3: Cross multiply
    676,436.57x = 1,014,748.04 × 227,285.76
  4. Step 4: Simplify right side
    676,436.57x = 230,637,779,479.91
  5. Step 5: Solve for x
    x = 230,637,779,479.91/676,436.57
  6. Step 6: Final answer
    x = 340,959.95

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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.