Home / 714,565.35-1,071,032.67-287,827.89

Finding the Fourth Proportional to 714,565.35, 1,071,032.67 and 287,827.89

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Solution

The fourth proportional to 714,565.35, 1,071,032.67 and 287,827.89 is: 431,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,565.35 : 1,071,032.67 = 287,827.89 : x
  2. Step 2: Convert to fraction form
    714,565.35/1,071,032.67 = 287,827.89/x
  3. Step 3: Cross multiply
    714,565.35x = 1,071,032.67 × 287,827.89
  4. Step 4: Simplify right side
    714,565.35x = 308,273,073,527.17
  5. Step 5: Solve for x
    x = 308,273,073,527.17/714,565.35
  6. Step 6: Final answer
    x = 431,413.41

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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.