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Finding the Fourth Proportional to 329,627.79, 496,912.27 and 307,656.45

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Solution

The fourth proportional to 329,627.79, 496,912.27 and 307,656.45 is: 463,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,627.79 : 496,912.27 = 307,656.45 : x
  2. Step 2: Convert to fraction form
    329,627.79/496,912.27 = 307,656.45/x
  3. Step 3: Cross multiply
    329,627.79x = 496,912.27 × 307,656.45
  4. Step 4: Simplify right side
    329,627.79x = 152,878,262,465.08
  5. Step 5: Solve for x
    x = 152,878,262,465.08/329,627.79
  6. Step 6: Final answer
    x = 463,790.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.