Home / 900,056.80-1,351,640.40-480,152.80

Finding the Fourth Proportional to 900,056.80, 1,351,640.40 and 480,152.80

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Solution

The fourth proportional to 900,056.80, 1,351,640.40 and 480,152.80 is: 721,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,056.80 : 1,351,640.40 = 480,152.80 : x
  2. Step 2: Convert to fraction form
    900,056.80/1,351,640.40 = 480,152.80/x
  3. Step 3: Cross multiply
    900,056.80x = 1,351,640.40 × 480,152.80
  4. Step 4: Simplify right side
    900,056.80x = 648,993,922,653.12
  5. Step 5: Solve for x
    x = 648,993,922,653.12/900,056.80
  6. Step 6: Final answer
    x = 721,058.85

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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.