Home / 692,460.80-1,038,691.20-617,811.20

Finding the Fourth Proportional to 692,460.80, 1,038,691.20 and 617,811.20

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Solution

The fourth proportional to 692,460.80, 1,038,691.20 and 617,811.20 is: 926,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,460.80 : 1,038,691.20 = 617,811.20 : x
  2. Step 2: Convert to fraction form
    692,460.80/1,038,691.20 = 617,811.20/x
  3. Step 3: Cross multiply
    692,460.80x = 1,038,691.20 × 617,811.20
  4. Step 4: Simplify right side
    692,460.80x = 641,715,056,701.44
  5. Step 5: Solve for x
    x = 641,715,056,701.44/692,460.80
  6. Step 6: Final answer
    x = 926,716.80

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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.