Home / 780,535.46-1,077,159.93-440,996.42

Finding the Fourth Proportional to 780,535.46, 1,077,159.93 and 440,996.42

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Solution

The fourth proportional to 780,535.46, 1,077,159.93 and 440,996.42 is: 608,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,535.46 : 1,077,159.93 = 440,996.42 : x
  2. Step 2: Convert to fraction form
    780,535.46/1,077,159.93 = 440,996.42/x
  3. Step 3: Cross multiply
    780,535.46x = 1,077,159.93 × 440,996.42
  4. Step 4: Simplify right side
    780,535.46x = 475,023,672,897.45
  5. Step 5: Solve for x
    x = 475,023,672,897.45/780,535.46
  6. Step 6: Final answer
    x = 608,586.92

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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.