Home / 875,878.36-1,314,413.70-314,969.56

Finding the Fourth Proportional to 875,878.36, 1,314,413.70 and 314,969.56

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Solution

The fourth proportional to 875,878.36, 1,314,413.70 and 314,969.56 is: 472,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,878.36 : 1,314,413.70 = 314,969.56 : x
  2. Step 2: Convert to fraction form
    875,878.36/1,314,413.70 = 314,969.56/x
  3. Step 3: Cross multiply
    875,878.36x = 1,314,413.70 × 314,969.56
  4. Step 4: Simplify right side
    875,878.36x = 414,000,304,746.97
  5. Step 5: Solve for x
    x = 414,000,304,746.97/875,878.36
  6. Step 6: Final answer
    x = 472,668.72

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1.5x scale

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.