Home / 715,931.08-1,073,638.28-210,356.82

Finding the Fourth Proportional to 715,931.08, 1,073,638.28 and 210,356.82

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Solution

The fourth proportional to 715,931.08, 1,073,638.28 and 210,356.82 is: 315,459.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,931.08 : 1,073,638.28 = 210,356.82 : x
  2. Step 2: Convert to fraction form
    715,931.08/1,073,638.28 = 210,356.82/x
  3. Step 3: Cross multiply
    715,931.08x = 1,073,638.28 × 210,356.82
  4. Step 4: Simplify right side
    715,931.08x = 225,847,137,660.75
  5. Step 5: Solve for x
    x = 225,847,137,660.75/715,931.08
  6. Step 6: Final answer
    x = 315,459.33

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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.