Home / 887,688.48-1,331,542.42-256,607.76

Finding the Fourth Proportional to 887,688.48, 1,331,542.42 and 256,607.76

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Solution

The fourth proportional to 887,688.48, 1,331,542.42 and 256,607.76 is: 384,914.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,688.48 : 1,331,542.42 = 256,607.76 : x
  2. Step 2: Convert to fraction form
    887,688.48/1,331,542.42 = 256,607.76/x
  3. Step 3: Cross multiply
    887,688.48x = 1,331,542.42 × 256,607.76
  4. Step 4: Simplify right side
    887,688.48x = 341,684,117,741.18
  5. Step 5: Solve for x
    x = 341,684,117,741.18/887,688.48
  6. Step 6: Final answer
    x = 384,914.44

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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.