Home / 771,012.07-1,155,755.18-365,492.01

Finding the Fourth Proportional to 771,012.07, 1,155,755.18 and 365,492.01

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Solution

The fourth proportional to 771,012.07, 1,155,755.18 and 365,492.01 is: 547,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,012.07 : 1,155,755.18 = 365,492.01 : x
  2. Step 2: Convert to fraction form
    771,012.07/1,155,755.18 = 365,492.01/x
  3. Step 3: Cross multiply
    771,012.07x = 1,155,755.18 × 365,492.01
  4. Step 4: Simplify right side
    771,012.07x = 422,419,289,053.92
  5. Step 5: Solve for x
    x = 422,419,289,053.92/771,012.07
  6. Step 6: Final answer
    x = 547,876.37

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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.