Home / 558,056.53-770,144.36-316,343.81

Finding the Fourth Proportional to 558,056.53, 770,144.36 and 316,343.81

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Solution

The fourth proportional to 558,056.53, 770,144.36 and 316,343.81 is: 436,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,056.53 : 770,144.36 = 316,343.81 : x
  2. Step 2: Convert to fraction form
    558,056.53/770,144.36 = 316,343.81/x
  3. Step 3: Cross multiply
    558,056.53x = 770,144.36 × 316,343.81
  4. Step 4: Simplify right side
    558,056.53x = 243,630,401,092.41
  5. Step 5: Solve for x
    x = 243,630,401,092.41/558,056.53
  6. Step 6: Final answer
    x = 436,569.39

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1.5x scale

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.