Home / 671,608.20-1,007,412.30-472,153.80

Finding the Fourth Proportional to 671,608.20, 1,007,412.30 and 472,153.80

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Solution

The fourth proportional to 671,608.20, 1,007,412.30 and 472,153.80 is: 708,230.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,608.20 : 1,007,412.30 = 472,153.80 : x
  2. Step 2: Convert to fraction form
    671,608.20/1,007,412.30 = 472,153.80/x
  3. Step 3: Cross multiply
    671,608.20x = 1,007,412.30 × 472,153.80
  4. Step 4: Simplify right side
    671,608.20x = 475,653,545,611.74
  5. Step 5: Solve for x
    x = 475,653,545,611.74/671,608.20
  6. Step 6: Final answer
    x = 708,230.70

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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.