Home / 771,603.63-1,157,405.57-322,079.28

Finding the Fourth Proportional to 771,603.63, 1,157,405.57 and 322,079.28

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Solution

The fourth proportional to 771,603.63, 1,157,405.57 and 322,079.28 is: 483,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,603.63 : 1,157,405.57 = 322,079.28 : x
  2. Step 2: Convert to fraction form
    771,603.63/1,157,405.57 = 322,079.28/x
  3. Step 3: Cross multiply
    771,603.63x = 1,157,405.57 × 322,079.28
  4. Step 4: Simplify right side
    771,603.63x = 372,776,352,653.59
  5. Step 5: Solve for x
    x = 372,776,352,653.59/771,603.63
  6. Step 6: Final answer
    x = 483,118.97

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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.