Home / 887,329.60-1,330,994.40-729,865.60

Finding the Fourth Proportional to 887,329.60, 1,330,994.40 and 729,865.60

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Solution

The fourth proportional to 887,329.60, 1,330,994.40 and 729,865.60 is: 1,094,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,329.60 : 1,330,994.40 = 729,865.60 : x
  2. Step 2: Convert to fraction form
    887,329.60/1,330,994.40 = 729,865.60/x
  3. Step 3: Cross multiply
    887,329.60x = 1,330,994.40 × 729,865.60
  4. Step 4: Simplify right side
    887,329.60x = 971,447,026,352.64
  5. Step 5: Solve for x
    x = 971,447,026,352.64/887,329.60
  6. Step 6: Final answer
    x = 1,094,798.40

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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.