Home / 959,227.60-1,439,359.80-426,830.80

Finding the Fourth Proportional to 959,227.60, 1,439,359.80 and 426,830.80

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Solution

The fourth proportional to 959,227.60, 1,439,359.80 and 426,830.80 is: 640,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,227.60 : 1,439,359.80 = 426,830.80 : x
  2. Step 2: Convert to fraction form
    959,227.60/1,439,359.80 = 426,830.80/x
  3. Step 3: Cross multiply
    959,227.60x = 1,439,359.80 × 426,830.80
  4. Step 4: Simplify right side
    959,227.60x = 614,363,094,921.84
  5. Step 5: Solve for x
    x = 614,363,094,921.84/959,227.60
  6. Step 6: Final answer
    x = 640,476.87

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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.