Home / 771,165.63-1,154,736.41-620,583.39

Finding the Fourth Proportional to 771,165.63, 1,154,736.41 and 620,583.39

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Solution

The fourth proportional to 771,165.63, 1,154,736.41 and 620,583.39 is: 929,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,165.63 : 1,154,736.41 = 620,583.39 : x
  2. Step 2: Convert to fraction form
    771,165.63/1,154,736.41 = 620,583.39/x
  3. Step 3: Cross multiply
    771,165.63x = 1,154,736.41 × 620,583.39
  4. Step 4: Simplify right side
    771,165.63x = 716,610,232,771.31
  5. Step 5: Solve for x
    x = 716,610,232,771.31/771,165.63
  6. Step 6: Final answer
    x = 929,255.93

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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.