Home / 572,455.20-789,444.16-417,265.44

Finding the Fourth Proportional to 572,455.20, 789,444.16 and 417,265.44

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Solution

The fourth proportional to 572,455.20, 789,444.16 and 417,265.44 is: 575,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,455.20 : 789,444.16 = 417,265.44 : x
  2. Step 2: Convert to fraction form
    572,455.20/789,444.16 = 417,265.44/x
  3. Step 3: Cross multiply
    572,455.20x = 789,444.16 × 417,265.44
  4. Step 4: Simplify right side
    572,455.20x = 329,407,764,777.83
  5. Step 5: Solve for x
    x = 329,407,764,777.83/572,455.20
  6. Step 6: Final answer
    x = 575,429.77

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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.