Home / 514,742.04-771,849.81-215,140.86

Finding the Fourth Proportional to 514,742.04, 771,849.81 and 215,140.86

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Solution

The fourth proportional to 514,742.04, 771,849.81 and 215,140.86 is: 322,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,742.04 : 771,849.81 = 215,140.86 : x
  2. Step 2: Convert to fraction form
    514,742.04/771,849.81 = 215,140.86/x
  3. Step 3: Cross multiply
    514,742.04x = 771,849.81 × 215,140.86
  4. Step 4: Simplify right side
    514,742.04x = 166,056,431,914.24
  5. Step 5: Solve for x
    x = 166,056,431,914.24/514,742.04
  6. Step 6: Final answer
    x = 322,601.26

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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.