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Finding the Fourth Proportional to 650,023.96, 897,274.28 and 489,345.08

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Solution

The fourth proportional to 650,023.96, 897,274.28 and 489,345.08 is: 675,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,023.96 : 897,274.28 = 489,345.08 : x
  2. Step 2: Convert to fraction form
    650,023.96/897,274.28 = 489,345.08/x
  3. Step 3: Cross multiply
    650,023.96x = 897,274.28 × 489,345.08
  4. Step 4: Simplify right side
    650,023.96x = 439,076,754,328.54
  5. Step 5: Solve for x
    x = 439,076,754,328.54/650,023.96
  6. Step 6: Final answer
    x = 675,477.80

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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.