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Finding the Fourth Proportional to 553,624.15, 764,001.32 and 298,975.32

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Solution

The fourth proportional to 553,624.15, 764,001.32 and 298,975.32 is: 412,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,624.15 : 764,001.32 = 298,975.32 : x
  2. Step 2: Convert to fraction form
    553,624.15/764,001.32 = 298,975.32/x
  3. Step 3: Cross multiply
    553,624.15x = 764,001.32 × 298,975.32
  4. Step 4: Simplify right side
    553,624.15x = 228,417,539,127.42
  5. Step 5: Solve for x
    x = 228,417,539,127.42/553,624.15
  6. Step 6: Final answer
    x = 412,585.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.