Home / 887,437.72-1,330,960.74-256,214.20

Finding the Fourth Proportional to 887,437.72, 1,330,960.74 and 256,214.20

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Solution

The fourth proportional to 887,437.72, 1,330,960.74 and 256,214.20 is: 384,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,437.72 : 1,330,960.74 = 256,214.20 : x
  2. Step 2: Convert to fraction form
    887,437.72/1,330,960.74 = 256,214.20/x
  3. Step 3: Cross multiply
    887,437.72x = 1,330,960.74 × 256,214.20
  4. Step 4: Simplify right side
    887,437.72x = 341,011,041,230.51
  5. Step 5: Solve for x
    x = 341,011,041,230.51/887,437.72
  6. Step 6: Final answer
    x = 384,264.76

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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.