Home / 710,817.74-1,066,413.35-255,454.95

Finding the Fourth Proportional to 710,817.74, 1,066,413.35 and 255,454.95

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Solution

The fourth proportional to 710,817.74, 1,066,413.35 and 255,454.95 is: 383,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,817.74 : 1,066,413.35 = 255,454.95 : x
  2. Step 2: Convert to fraction form
    710,817.74/1,066,413.35 = 255,454.95/x
  3. Step 3: Cross multiply
    710,817.74x = 1,066,413.35 × 255,454.95
  4. Step 4: Simplify right side
    710,817.74x = 272,420,569,003.58
  5. Step 5: Solve for x
    x = 272,420,569,003.58/710,817.74
  6. Step 6: Final answer
    x = 383,249.54

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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.