Home / 524,558.53-786,741.79-140,312.35

Finding the Fourth Proportional to 524,558.53, 786,741.79 and 140,312.35

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Solution

The fourth proportional to 524,558.53, 786,741.79 and 140,312.35 is: 210,442.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,558.53 : 786,741.79 = 140,312.35 : x
  2. Step 2: Convert to fraction form
    524,558.53/786,741.79 = 140,312.35/x
  3. Step 3: Cross multiply
    524,558.53x = 786,741.79 × 140,312.35
  4. Step 4: Simplify right side
    524,558.53x = 110,389,589,398.11
  5. Step 5: Solve for x
    x = 110,389,589,398.11/524,558.53
  6. Step 6: Final answer
    x = 210,442.84

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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.