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Finding the Fourth Proportional to 479,832.84, 719,585.46 and 346,316.52

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Solution

The fourth proportional to 479,832.84, 719,585.46 and 346,316.52 is: 519,356.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,832.84 : 719,585.46 = 346,316.52 : x
  2. Step 2: Convert to fraction form
    479,832.84/719,585.46 = 346,316.52/x
  3. Step 3: Cross multiply
    479,832.84x = 719,585.46 × 346,316.52
  4. Step 4: Simplify right side
    479,832.84x = 249,204,332,349.80
  5. Step 5: Solve for x
    x = 249,204,332,349.80/479,832.84
  6. Step 6: Final answer
    x = 519,356.56

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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.