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Finding the Fourth Proportional to 716,404.80, 988,646.81 and 410,475.02

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Solution

The fourth proportional to 716,404.80, 988,646.81 and 410,475.02 is: 566,460.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,404.80 : 988,646.81 = 410,475.02 : x
  2. Step 2: Convert to fraction form
    716,404.80/988,646.81 = 410,475.02/x
  3. Step 3: Cross multiply
    716,404.80x = 988,646.81 × 410,475.02
  4. Step 4: Simplify right side
    716,404.80x = 405,814,819,107.69
  5. Step 5: Solve for x
    x = 405,814,819,107.69/716,404.80
  6. Step 6: Final answer
    x = 566,460.22

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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.