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Finding the Fourth Proportional to 479,570.49, 719,354.52 and 450,340.02

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Solution

The fourth proportional to 479,570.49, 719,354.52 and 450,340.02 is: 675,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,570.49 : 719,354.52 = 450,340.02 : x
  2. Step 2: Convert to fraction form
    479,570.49/719,354.52 = 450,340.02/x
  3. Step 3: Cross multiply
    479,570.49x = 719,354.52 × 450,340.02
  4. Step 4: Simplify right side
    479,570.49x = 323,954,128,923.89
  5. Step 5: Solve for x
    x = 323,954,128,923.89/479,570.49
  6. Step 6: Final answer
    x = 675,508.89

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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.