Home / 670,801.52-1,006,202.27-459,799.76

Finding the Fourth Proportional to 670,801.52, 1,006,202.27 and 459,799.76

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Solution

The fourth proportional to 670,801.52, 1,006,202.27 and 459,799.76 is: 689,699.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,801.52 : 1,006,202.27 = 459,799.76 : x
  2. Step 2: Convert to fraction form
    670,801.52/1,006,202.27 = 459,799.76/x
  3. Step 3: Cross multiply
    670,801.52x = 1,006,202.27 × 459,799.76
  4. Step 4: Simplify right side
    670,801.52x = 462,651,558,375.94
  5. Step 5: Solve for x
    x = 462,651,558,375.94/670,801.52
  6. Step 6: Final answer
    x = 689,699.63

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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.