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Finding the Fourth Proportional to 650,019.95, 897,268.73 and 489,341.06

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Solution

The fourth proportional to 650,019.95, 897,268.73 and 489,341.06 is: 675,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,019.95 : 897,268.73 = 489,341.06 : x
  2. Step 2: Convert to fraction form
    650,019.95/897,268.73 = 489,341.06/x
  3. Step 3: Cross multiply
    650,019.95x = 897,268.73 × 489,341.06
  4. Step 4: Simplify right side
    650,019.95x = 439,070,424,510.01
  5. Step 5: Solve for x
    x = 439,070,424,510.01/650,019.95
  6. Step 6: Final answer
    x = 675,472.23

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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.