Home / 775,131.55-1,069,693.97-426,285.74

Finding the Fourth Proportional to 775,131.55, 1,069,693.97 and 426,285.74

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Solution

The fourth proportional to 775,131.55, 1,069,693.97 and 426,285.74 is: 588,281.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,131.55 : 1,069,693.97 = 426,285.74 : x
  2. Step 2: Convert to fraction form
    775,131.55/1,069,693.97 = 426,285.74/x
  3. Step 3: Cross multiply
    775,131.55x = 1,069,693.97 × 426,285.74
  4. Step 4: Simplify right side
    775,131.55x = 455,995,285,574.99
  5. Step 5: Solve for x
    x = 455,995,285,574.99/775,131.55
  6. Step 6: Final answer
    x = 588,281.16

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Double scale
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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.