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Finding the Fourth Proportional to 650,699.10, 975,465.45 and 579,840.30

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Solution

The fourth proportional to 650,699.10, 975,465.45 and 579,840.30 is: 869,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,699.10 : 975,465.45 = 579,840.30 : x
  2. Step 2: Convert to fraction form
    650,699.10/975,465.45 = 579,840.30/x
  3. Step 3: Cross multiply
    650,699.10x = 975,465.45 × 579,840.30
  4. Step 4: Simplify right side
    650,699.10x = 565,614,179,167.64
  5. Step 5: Solve for x
    x = 565,614,179,167.64/650,699.10
  6. Step 6: Final answer
    x = 869,240.76

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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.