Home / 812,522.48-1,218,782.24-243,903.02

Finding the Fourth Proportional to 812,522.48, 1,218,782.24 and 243,903.02

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Solution

The fourth proportional to 812,522.48, 1,218,782.24 and 243,903.02 is: 365,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,522.48 : 1,218,782.24 = 243,903.02 : x
  2. Step 2: Convert to fraction form
    812,522.48/1,218,782.24 = 243,903.02/x
  3. Step 3: Cross multiply
    812,522.48x = 1,218,782.24 × 243,903.02
  4. Step 4: Simplify right side
    812,522.48x = 297,264,669,058.37
  5. Step 5: Solve for x
    x = 297,264,669,058.37/812,522.48
  6. Step 6: Final answer
    x = 365,854.09

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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.