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Finding the Fourth Proportional to 528,051.60, 728,238.60 and 414,677.52

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Solution

The fourth proportional to 528,051.60, 728,238.60 and 414,677.52 is: 571,883.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,051.60 : 728,238.60 = 414,677.52 : x
  2. Step 2: Convert to fraction form
    528,051.60/728,238.60 = 414,677.52/x
  3. Step 3: Cross multiply
    528,051.60x = 728,238.60 × 414,677.52
  4. Step 4: Simplify right side
    528,051.60x = 301,984,176,616.27
  5. Step 5: Solve for x
    x = 301,984,176,616.27/528,051.60
  6. Step 6: Final answer
    x = 571,883.84

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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.