Home / 887,328.60-1,330,992.90-729,864.60

Finding the Fourth Proportional to 887,328.60, 1,330,992.90 and 729,864.60

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Solution

The fourth proportional to 887,328.60, 1,330,992.90 and 729,864.60 is: 1,094,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,328.60 : 1,330,992.90 = 729,864.60 : x
  2. Step 2: Convert to fraction form
    887,328.60/1,330,992.90 = 729,864.60/x
  3. Step 3: Cross multiply
    887,328.60x = 1,330,992.90 × 729,864.60
  4. Step 4: Simplify right side
    887,328.60x = 971,444,600,561.34
  5. Step 5: Solve for x
    x = 971,444,600,561.34/887,328.60
  6. Step 6: Final answer
    x = 1,094,796.90

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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.