Home / 904,426.56-1,356,652.80-431,161.92

Finding the Fourth Proportional to 904,426.56, 1,356,652.80 and 431,161.92

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Solution

The fourth proportional to 904,426.56, 1,356,652.80 and 431,161.92 is: 646,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,426.56 : 1,356,652.80 = 431,161.92 : x
  2. Step 2: Convert to fraction form
    904,426.56/1,356,652.80 = 431,161.92/x
  3. Step 3: Cross multiply
    904,426.56x = 1,356,652.80 × 431,161.92
  4. Step 4: Simplify right side
    904,426.56x = 584,937,026,021.38
  5. Step 5: Solve for x
    x = 584,937,026,021.38/904,426.56
  6. Step 6: Final answer
    x = 646,749.06

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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.