Home / 780,607.60-1,077,224.46-441,068.56

Finding the Fourth Proportional to 780,607.60, 1,077,224.46 and 441,068.56

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Solution

The fourth proportional to 780,607.60, 1,077,224.46 and 441,068.56 is: 608,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,607.60 : 1,077,224.46 = 441,068.56 : x
  2. Step 2: Convert to fraction form
    780,607.60/1,077,224.46 = 441,068.56/x
  3. Step 3: Cross multiply
    780,607.60x = 1,077,224.46 × 441,068.56
  4. Step 4: Simplify right side
    780,607.60x = 475,129,841,368.98
  5. Step 5: Solve for x
    x = 475,129,841,368.98/780,607.60
  6. Step 6: Final answer
    x = 608,666.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.