Home / 690,951.40-1,034,086.20-424,880.44

Finding the Fourth Proportional to 690,951.40, 1,034,086.20 and 424,880.44

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Solution

The fourth proportional to 690,951.40, 1,034,086.20 and 424,880.44 is: 635,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,951.40 : 1,034,086.20 = 424,880.44 : x
  2. Step 2: Convert to fraction form
    690,951.40/1,034,086.20 = 424,880.44/x
  3. Step 3: Cross multiply
    690,951.40x = 1,034,086.20 × 424,880.44
  4. Step 4: Simplify right side
    690,951.40x = 439,362,999,653.93
  5. Step 5: Solve for x
    x = 439,362,999,653.93/690,951.40
  6. Step 6: Final answer
    x = 635,881.19

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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.