Home / 558,318.56-770,603.61-340,575.35

Finding the Fourth Proportional to 558,318.56, 770,603.61 and 340,575.35

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Solution

The fourth proportional to 558,318.56, 770,603.61 and 340,575.35 is: 470,069.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,318.56 : 770,603.61 = 340,575.35 : x
  2. Step 2: Convert to fraction form
    558,318.56/770,603.61 = 340,575.35/x
  3. Step 3: Cross multiply
    558,318.56x = 770,603.61 × 340,575.35
  4. Step 4: Simplify right side
    558,318.56x = 262,448,594,187.01
  5. Step 5: Solve for x
    x = 262,448,594,187.01/558,318.56
  6. Step 6: Final answer
    x = 470,069.62

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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.