Home / 908,436.80-1,361,124.30-718,167.80

Finding the Fourth Proportional to 908,436.80, 1,361,124.30 and 718,167.80

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Solution

The fourth proportional to 908,436.80, 1,361,124.30 and 718,167.80 is: 1,076,041.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,436.80 : 1,361,124.30 = 718,167.80 : x
  2. Step 2: Convert to fraction form
    908,436.80/1,361,124.30 = 718,167.80/x
  3. Step 3: Cross multiply
    908,436.80x = 1,361,124.30 × 718,167.80
  4. Step 4: Simplify right side
    908,436.80x = 977,515,644,057.54
  5. Step 5: Solve for x
    x = 977,515,644,057.54/908,436.80
  6. Step 6: Final answer
    x = 1,076,041.44

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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.