Home / 971,824.40-1,456,667.40-340,413.20

Finding the Fourth Proportional to 971,824.40, 1,456,667.40 and 340,413.20

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Solution

The fourth proportional to 971,824.40, 1,456,667.40 and 340,413.20 is: 510,245.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,824.40 : 1,456,667.40 = 340,413.20 : x
  2. Step 2: Convert to fraction form
    971,824.40/1,456,667.40 = 340,413.20/x
  3. Step 3: Cross multiply
    971,824.40x = 1,456,667.40 × 340,413.20
  4. Step 4: Simplify right side
    971,824.40x = 495,868,810,969.68
  5. Step 5: Solve for x
    x = 495,868,810,969.68/971,824.40
  6. Step 6: Final answer
    x = 510,245.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.