Home / 828,497.57-1,242,817.43-355,070.39

Finding the Fourth Proportional to 828,497.57, 1,242,817.43 and 355,070.39

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Solution

The fourth proportional to 828,497.57, 1,242,817.43 and 355,070.39 is: 532,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,497.57 : 1,242,817.43 = 355,070.39 : x
  2. Step 2: Convert to fraction form
    828,497.57/1,242,817.43 = 355,070.39/x
  3. Step 3: Cross multiply
    828,497.57x = 1,242,817.43 × 355,070.39
  4. Step 4: Simplify right side
    828,497.57x = 441,287,661,579.46
  5. Step 5: Solve for x
    x = 441,287,661,579.46/828,497.57
  6. Step 6: Final answer
    x = 532,636.04

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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.