Home / 771,563.43-1,152,652.39-499,474.98

Finding the Fourth Proportional to 771,563.43, 1,152,652.39 and 499,474.98

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Solution

The fourth proportional to 771,563.43, 1,152,652.39 and 499,474.98 is: 746,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,563.43 : 1,152,652.39 = 499,474.98 : x
  2. Step 2: Convert to fraction form
    771,563.43/1,152,652.39 = 499,474.98/x
  3. Step 3: Cross multiply
    771,563.43x = 1,152,652.39 × 499,474.98
  4. Step 4: Simplify right side
    771,563.43x = 575,721,028,193.52
  5. Step 5: Solve for x
    x = 575,721,028,193.52/771,563.43
  6. Step 6: Final answer
    x = 746,174.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.