Home / 812,391.00-1,216,652.10-470,113.07

Finding the Fourth Proportional to 812,391.00, 1,216,652.10 and 470,113.07

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Solution

The fourth proportional to 812,391.00, 1,216,652.10 and 470,113.07 is: 704,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,391.00 : 1,216,652.10 = 470,113.07 : x
  2. Step 2: Convert to fraction form
    812,391.00/1,216,652.10 = 470,113.07/x
  3. Step 3: Cross multiply
    812,391.00x = 1,216,652.10 × 470,113.07
  4. Step 4: Simplify right side
    812,391.00x = 571,964,049,973.34
  5. Step 5: Solve for x
    x = 571,964,049,973.34/812,391.00
  6. Step 6: Final answer
    x = 704,050.20

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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.