Home / 783,138.60-1,173,152.70-466,655.40

Finding the Fourth Proportional to 783,138.60, 1,173,152.70 and 466,655.40

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Solution

The fourth proportional to 783,138.60, 1,173,152.70 and 466,655.40 is: 699,056.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,138.60 : 1,173,152.70 = 466,655.40 : x
  2. Step 2: Convert to fraction form
    783,138.60/1,173,152.70 = 466,655.40/x
  3. Step 3: Cross multiply
    783,138.60x = 1,173,152.70 × 466,655.40
  4. Step 4: Simplify right side
    783,138.60x = 547,458,042,479.58
  5. Step 5: Solve for x
    x = 547,458,042,479.58/783,138.60
  6. Step 6: Final answer
    x = 699,056.39

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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.