Home / 767,465.82-1,151,438.49-262,038.78

Finding the Fourth Proportional to 767,465.82, 1,151,438.49 and 262,038.78

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Solution

The fourth proportional to 767,465.82, 1,151,438.49 and 262,038.78 is: 393,140.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,465.82 : 1,151,438.49 = 262,038.78 : x
  2. Step 2: Convert to fraction form
    767,465.82/1,151,438.49 = 262,038.78/x
  3. Step 3: Cross multiply
    767,465.82x = 1,151,438.49 × 262,038.78
  4. Step 4: Simplify right side
    767,465.82x = 301,721,537,164.64
  5. Step 5: Solve for x
    x = 301,721,537,164.64/767,465.82
  6. Step 6: Final answer
    x = 393,140.03

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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.