Home / 887,272.60-1,330,908.90-414,005.80

Finding the Fourth Proportional to 887,272.60, 1,330,908.90 and 414,005.80

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Solution

The fourth proportional to 887,272.60, 1,330,908.90 and 414,005.80 is: 621,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,272.60 : 1,330,908.90 = 414,005.80 : x
  2. Step 2: Convert to fraction form
    887,272.60/1,330,908.90 = 414,005.80/x
  3. Step 3: Cross multiply
    887,272.60x = 1,330,908.90 × 414,005.80
  4. Step 4: Simplify right side
    887,272.60x = 551,004,003,871.62
  5. Step 5: Solve for x
    x = 551,004,003,871.62/887,272.60
  6. Step 6: Final answer
    x = 621,008.70

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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.