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Finding the Fourth Proportional to 594,045.60, 819,707.40 and 339,413.28

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Solution

The fourth proportional to 594,045.60, 819,707.40 and 339,413.28 is: 468,347.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,045.60 : 819,707.40 = 339,413.28 : x
  2. Step 2: Convert to fraction form
    594,045.60/819,707.40 = 339,413.28/x
  3. Step 3: Cross multiply
    594,045.60x = 819,707.40 × 339,413.28
  4. Step 4: Simplify right side
    594,045.60x = 278,219,577,274.27
  5. Step 5: Solve for x
    x = 278,219,577,274.27/594,045.60
  6. Step 6: Final answer
    x = 468,347.17

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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.