Home / 780,533.46-1,077,157.17-440,994.42

Finding the Fourth Proportional to 780,533.46, 1,077,157.17 and 440,994.42

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Solution

The fourth proportional to 780,533.46, 1,077,157.17 and 440,994.42 is: 608,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,533.46 : 1,077,157.17 = 440,994.42 : x
  2. Step 2: Convert to fraction form
    780,533.46/1,077,157.17 = 440,994.42/x
  3. Step 3: Cross multiply
    780,533.46x = 1,077,157.17 × 440,994.42
  4. Step 4: Simplify right side
    780,533.46x = 475,020,301,432.99
  5. Step 5: Solve for x
    x = 475,020,301,432.99/780,533.46
  6. Step 6: Final answer
    x = 608,584.16

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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.