Home / 763,741.04-1,145,172.53-314,771.81

Finding the Fourth Proportional to 763,741.04, 1,145,172.53 and 314,771.81

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Solution

The fourth proportional to 763,741.04, 1,145,172.53 and 314,771.81 is: 471,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,741.04 : 1,145,172.53 = 314,771.81 : x
  2. Step 2: Convert to fraction form
    763,741.04/1,145,172.53 = 314,771.81/x
  3. Step 3: Cross multiply
    763,741.04x = 1,145,172.53 × 314,771.81
  4. Step 4: Simplify right side
    763,741.04x = 360,468,025,091.45
  5. Step 5: Solve for x
    x = 360,468,025,091.45/763,741.04
  6. Step 6: Final answer
    x = 471,976.77

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1.5x scale

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.