Home / 911,577.60-1,367,432.92-312,533.70

Finding the Fourth Proportional to 911,577.60, 1,367,432.92 and 312,533.70

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Solution

The fourth proportional to 911,577.60, 1,367,432.92 and 312,533.70 is: 468,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,577.60 : 1,367,432.92 = 312,533.70 : x
  2. Step 2: Convert to fraction form
    911,577.60/1,367,432.92 = 312,533.70/x
  3. Step 3: Cross multiply
    911,577.60x = 1,367,432.92 × 312,533.70
  4. Step 4: Simplify right side
    911,577.60x = 427,368,869,989.40
  5. Step 5: Solve for x
    x = 427,368,869,989.40/911,577.60
  6. Step 6: Final answer
    x = 468,823.36

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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.