Home / 870,596.55-1,201,413.20-488,615.13

Finding the Fourth Proportional to 870,596.55, 1,201,413.20 and 488,615.13

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Solution

The fourth proportional to 870,596.55, 1,201,413.20 and 488,615.13 is: 674,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,596.55 : 1,201,413.20 = 488,615.13 : x
  2. Step 2: Convert to fraction form
    870,596.55/1,201,413.20 = 488,615.13/x
  3. Step 3: Cross multiply
    870,596.55x = 1,201,413.20 × 488,615.13
  4. Step 4: Simplify right side
    870,596.55x = 587,028,664,458.64
  5. Step 5: Solve for x
    x = 587,028,664,458.64/870,596.55
  6. Step 6: Final answer
    x = 674,283.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.