Home / 812,756.82-1,122,152.46-507,298.52

Finding the Fourth Proportional to 812,756.82, 1,122,152.46 and 507,298.52

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Solution

The fourth proportional to 812,756.82, 1,122,152.46 and 507,298.52 is: 700,414.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,756.82 : 1,122,152.46 = 507,298.52 : x
  2. Step 2: Convert to fraction form
    812,756.82/1,122,152.46 = 507,298.52/x
  3. Step 3: Cross multiply
    812,756.82x = 1,122,152.46 × 507,298.52
  4. Step 4: Simplify right side
    812,756.82x = 569,266,282,172.36
  5. Step 5: Solve for x
    x = 569,266,282,172.36/812,756.82
  6. Step 6: Final answer
    x = 700,414.03

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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.