Home / 697,413.60-1,046,217.60-298,051.20

Finding the Fourth Proportional to 697,413.60, 1,046,217.60 and 298,051.20

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Solution

The fourth proportional to 697,413.60, 1,046,217.60 and 298,051.20 is: 447,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,413.60 : 1,046,217.60 = 298,051.20 : x
  2. Step 2: Convert to fraction form
    697,413.60/1,046,217.60 = 298,051.20/x
  3. Step 3: Cross multiply
    697,413.60x = 1,046,217.60 × 298,051.20
  4. Step 4: Simplify right side
    697,413.60x = 311,826,411,141.12
  5. Step 5: Solve for x
    x = 311,826,411,141.12/697,413.60
  6. Step 6: Final answer
    x = 447,118.34

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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.