Home / 913,066.21-1,369,824.70-281,980.02

Finding the Fourth Proportional to 913,066.21, 1,369,824.70 and 281,980.02

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Solution

The fourth proportional to 913,066.21, 1,369,824.70 and 281,980.02 is: 423,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,066.21 : 1,369,824.70 = 281,980.02 : x
  2. Step 2: Convert to fraction form
    913,066.21/1,369,824.70 = 281,980.02/x
  3. Step 3: Cross multiply
    913,066.21x = 1,369,824.70 × 281,980.02
  4. Step 4: Simplify right side
    913,066.21x = 386,263,196,302.49
  5. Step 5: Solve for x
    x = 386,263,196,302.49/913,066.21
  6. Step 6: Final answer
    x = 423,039.64

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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.