Home / 986,670.63-1,480,190.46-312,570.93

Finding the Fourth Proportional to 986,670.63, 1,480,190.46 and 312,570.93

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Solution

The fourth proportional to 986,670.63, 1,480,190.46 and 312,570.93 is: 468,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,670.63 : 1,480,190.46 = 312,570.93 : x
  2. Step 2: Convert to fraction form
    986,670.63/1,480,190.46 = 312,570.93/x
  3. Step 3: Cross multiply
    986,670.63x = 1,480,190.46 × 312,570.93
  4. Step 4: Simplify right side
    986,670.63x = 462,664,501,258.38
  5. Step 5: Solve for x
    x = 462,664,501,258.38/986,670.63
  6. Step 6: Final answer
    x = 468,914.84

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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.