Home / 806,529.28-1,208,980.68-507,223.76

Finding the Fourth Proportional to 806,529.28, 1,208,980.68 and 507,223.76

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Solution

The fourth proportional to 806,529.28, 1,208,980.68 and 507,223.76 is: 760,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,529.28 : 1,208,980.68 = 507,223.76 : x
  2. Step 2: Convert to fraction form
    806,529.28/1,208,980.68 = 507,223.76/x
  3. Step 3: Cross multiply
    806,529.28x = 1,208,980.68 × 507,223.76
  4. Step 4: Simplify right side
    806,529.28x = 613,223,726,276.96
  5. Step 5: Solve for x
    x = 613,223,726,276.96/806,529.28
  6. Step 6: Final answer
    x = 760,324.20

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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.