Home / 942,413.64-1,413,613.86-381,440.04

Finding the Fourth Proportional to 942,413.64, 1,413,613.86 and 381,440.04

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Solution

The fourth proportional to 942,413.64, 1,413,613.86 and 381,440.04 is: 572,157.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,413.64 : 1,413,613.86 = 381,440.04 : x
  2. Step 2: Convert to fraction form
    942,413.64/1,413,613.86 = 381,440.04/x
  3. Step 3: Cross multiply
    942,413.64x = 1,413,613.86 × 381,440.04
  4. Step 4: Simplify right side
    942,413.64x = 539,208,927,302.95
  5. Step 5: Solve for x
    x = 539,208,927,302.95/942,413.64
  6. Step 6: Final answer
    x = 572,157.39

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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.