Home / 921,877.50-1,382,958.71-314,523.61

Finding the Fourth Proportional to 921,877.50, 1,382,958.71 and 314,523.61

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Solution

The fourth proportional to 921,877.50, 1,382,958.71 and 314,523.61 is: 471,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,877.50 : 1,382,958.71 = 314,523.61 : x
  2. Step 2: Convert to fraction form
    921,877.50/1,382,958.71 = 314,523.61/x
  3. Step 3: Cross multiply
    921,877.50x = 1,382,958.71 × 314,523.61
  4. Step 4: Simplify right side
    921,877.50x = 434,973,163,868.79
  5. Step 5: Solve for x
    x = 434,973,163,868.79/921,877.50
  6. Step 6: Final answer
    x = 471,834.01

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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.