Home / 777,182.79-1,165,931.34-327,904.77

Finding the Fourth Proportional to 777,182.79, 1,165,931.34 and 327,904.77

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Solution

The fourth proportional to 777,182.79, 1,165,931.34 and 327,904.77 is: 491,923.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,182.79 : 1,165,931.34 = 327,904.77 : x
  2. Step 2: Convert to fraction form
    777,182.79/1,165,931.34 = 327,904.77/x
  3. Step 3: Cross multiply
    777,182.79x = 1,165,931.34 × 327,904.77
  4. Step 4: Simplify right side
    777,182.79x = 382,314,447,878.49
  5. Step 5: Solve for x
    x = 382,314,447,878.49/777,182.79
  6. Step 6: Final answer
    x = 491,923.46

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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.