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Finding the Fourth Proportional to 651,597.09, 898,670.78 and 458,643.54

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Solution

The fourth proportional to 651,597.09, 898,670.78 and 458,643.54 is: 632,552.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,597.09 : 898,670.78 = 458,643.54 : x
  2. Step 2: Convert to fraction form
    651,597.09/898,670.78 = 458,643.54/x
  3. Step 3: Cross multiply
    651,597.09x = 898,670.78 × 458,643.54
  4. Step 4: Simplify right side
    651,597.09x = 412,169,550,630.47
  5. Step 5: Solve for x
    x = 412,169,550,630.47/651,597.09
  6. Step 6: Final answer
    x = 632,552.78

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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.