Home / 697,090.40-1,046,413.20-651,406.40

Finding the Fourth Proportional to 697,090.40, 1,046,413.20 and 651,406.40

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Solution

The fourth proportional to 697,090.40, 1,046,413.20 and 651,406.40 is: 977,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,090.40 : 1,046,413.20 = 651,406.40 : x
  2. Step 2: Convert to fraction form
    697,090.40/1,046,413.20 = 651,406.40/x
  3. Step 3: Cross multiply
    697,090.40x = 1,046,413.20 × 651,406.40
  4. Step 4: Simplify right side
    697,090.40x = 681,640,255,524.48
  5. Step 5: Solve for x
    x = 681,640,255,524.48/697,090.40
  6. Step 6: Final answer
    x = 977,836.24

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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.