Home / 920,265.45-1,379,757.65-407,652.24

Finding the Fourth Proportional to 920,265.45, 1,379,757.65 and 407,652.24

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Solution

The fourth proportional to 920,265.45, 1,379,757.65 and 407,652.24 is: 611,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,265.45 : 1,379,757.65 = 407,652.24 : x
  2. Step 2: Convert to fraction form
    920,265.45/1,379,757.65 = 407,652.24/x
  3. Step 3: Cross multiply
    920,265.45x = 1,379,757.65 × 407,652.24
  4. Step 4: Simplify right side
    920,265.45x = 562,461,299,815.47
  5. Step 5: Solve for x
    x = 562,461,299,815.47/920,265.45
  6. Step 6: Final answer
    x = 611,194.63

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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.