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Finding the Fourth Proportional to 652,810.56, 900,647.64 and 426,587.28

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Solution

The fourth proportional to 652,810.56, 900,647.64 and 426,587.28 is: 588,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,810.56 : 900,647.64 = 426,587.28 : x
  2. Step 2: Convert to fraction form
    652,810.56/900,647.64 = 426,587.28/x
  3. Step 3: Cross multiply
    652,810.56x = 900,647.64 × 426,587.28
  4. Step 4: Simplify right side
    652,810.56x = 384,204,826,986.02
  5. Step 5: Solve for x
    x = 384,204,826,986.02/652,810.56
  6. Step 6: Final answer
    x = 588,539.54

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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.