Home / 676,916.40-1,015,763.40-256,234.80

Finding the Fourth Proportional to 676,916.40, 1,015,763.40 and 256,234.80

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Solution

The fourth proportional to 676,916.40, 1,015,763.40 and 256,234.80 is: 384,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,916.40 : 1,015,763.40 = 256,234.80 : x
  2. Step 2: Convert to fraction form
    676,916.40/1,015,763.40 = 256,234.80/x
  3. Step 3: Cross multiply
    676,916.40x = 1,015,763.40 × 256,234.80
  4. Step 4: Simplify right side
    676,916.40x = 260,273,931,646.32
  5. Step 5: Solve for x
    x = 260,273,931,646.32/676,916.40
  6. Step 6: Final answer
    x = 384,499.37

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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.