Home / 783,046.08-1,174,413.60-383,515.20

Finding the Fourth Proportional to 783,046.08, 1,174,413.60 and 383,515.20

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Solution

The fourth proportional to 783,046.08, 1,174,413.60 and 383,515.20 is: 575,196.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,046.08 : 1,174,413.60 = 383,515.20 : x
  2. Step 2: Convert to fraction form
    783,046.08/1,174,413.60 = 383,515.20/x
  3. Step 3: Cross multiply
    783,046.08x = 1,174,413.60 × 383,515.20
  4. Step 4: Simplify right side
    783,046.08x = 450,405,466,686.72
  5. Step 5: Solve for x
    x = 450,405,466,686.72/783,046.08
  6. Step 6: Final answer
    x = 575,196.63

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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.