Home / 988,111.64-1,482,315.08-314,214.93

Finding the Fourth Proportional to 988,111.64, 1,482,315.08 and 314,214.93

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Solution

The fourth proportional to 988,111.64, 1,482,315.08 and 314,214.93 is: 471,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,111.64 : 1,482,315.08 = 314,214.93 : x
  2. Step 2: Convert to fraction form
    988,111.64/1,482,315.08 = 314,214.93/x
  3. Step 3: Cross multiply
    988,111.64x = 1,482,315.08 × 314,214.93
  4. Step 4: Simplify right side
    988,111.64x = 465,765,529,885.68
  5. Step 5: Solve for x
    x = 465,765,529,885.68/988,111.64
  6. Step 6: Final answer
    x = 471,369.34

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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.