Home / 558,185.62-770,272.90-316,484.53

Finding the Fourth Proportional to 558,185.62, 770,272.90 and 316,484.53

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Solution

The fourth proportional to 558,185.62, 770,272.90 and 316,484.53 is: 436,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,185.62 : 770,272.90 = 316,484.53 : x
  2. Step 2: Convert to fraction form
    558,185.62/770,272.90 = 316,484.53/x
  3. Step 3: Cross multiply
    558,185.62x = 770,272.90 × 316,484.53
  4. Step 4: Simplify right side
    558,185.62x = 243,779,454,011.34
  5. Step 5: Solve for x
    x = 243,779,454,011.34/558,185.62
  6. Step 6: Final answer
    x = 436,735.46

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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.