Home / 767,967.26-1,152,465.08-318,688.56

Finding the Fourth Proportional to 767,967.26, 1,152,465.08 and 318,688.56

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Solution

The fourth proportional to 767,967.26, 1,152,465.08 and 318,688.56 is: 478,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,967.26 : 1,152,465.08 = 318,688.56 : x
  2. Step 2: Convert to fraction form
    767,967.26/1,152,465.08 = 318,688.56/x
  3. Step 3: Cross multiply
    767,967.26x = 1,152,465.08 × 318,688.56
  4. Step 4: Simplify right side
    767,967.26x = 367,277,435,202.04
  5. Step 5: Solve for x
    x = 367,277,435,202.04/767,967.26
  6. Step 6: Final answer
    x = 478,246.22

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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.