Home / 723,415.44-1,085,366.27-507,499.21

Finding the Fourth Proportional to 723,415.44, 1,085,366.27 and 507,499.21

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Solution

The fourth proportional to 723,415.44, 1,085,366.27 and 507,499.21 is: 761,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,415.44 : 1,085,366.27 = 507,499.21 : x
  2. Step 2: Convert to fraction form
    723,415.44/1,085,366.27 = 507,499.21/x
  3. Step 3: Cross multiply
    723,415.44x = 1,085,366.27 × 507,499.21
  4. Step 4: Simplify right side
    723,415.44x = 550,822,524,585.65
  5. Step 5: Solve for x
    x = 550,822,524,585.65/723,415.44
  6. Step 6: Final answer
    x = 761,419.36

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Double scale
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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.