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Finding the Fourth Proportional to 570,841.01, 787,760.93 and 312,727.34

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Solution

The fourth proportional to 570,841.01, 787,760.93 and 312,727.34 is: 431,563.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,841.01 : 787,760.93 = 312,727.34 : x
  2. Step 2: Convert to fraction form
    570,841.01/787,760.93 = 312,727.34/x
  3. Step 3: Cross multiply
    570,841.01x = 787,760.93 × 312,727.34
  4. Step 4: Simplify right side
    570,841.01x = 246,354,374,692.39
  5. Step 5: Solve for x
    x = 246,354,374,692.39/570,841.01
  6. Step 6: Final answer
    x = 431,563.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.