Home / 426,748.28-635,594.39-424,685.79

Finding the Fourth Proportional to 426,748.28, 635,594.39 and 424,685.79

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Solution

The fourth proportional to 426,748.28, 635,594.39 and 424,685.79 is: 632,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,748.28 : 635,594.39 = 424,685.79 : x
  2. Step 2: Convert to fraction form
    426,748.28/635,594.39 = 424,685.79/x
  3. Step 3: Cross multiply
    426,748.28x = 635,594.39 × 424,685.79
  4. Step 4: Simplify right side
    426,748.28x = 269,927,903,513.29
  5. Step 5: Solve for x
    x = 269,927,903,513.29/426,748.28
  6. Step 6: Final answer
    x = 632,522.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.