Home / 979,368.96-1,468,915.20-314,434.56

Finding the Fourth Proportional to 979,368.96, 1,468,915.20 and 314,434.56

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Solution

The fourth proportional to 979,368.96, 1,468,915.20 and 314,434.56 is: 471,607.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,368.96 : 1,468,915.20 = 314,434.56 : x
  2. Step 2: Convert to fraction form
    979,368.96/1,468,915.20 = 314,434.56/x
  3. Step 3: Cross multiply
    979,368.96x = 1,468,915.20 × 314,434.56
  4. Step 4: Simplify right side
    979,368.96x = 461,877,704,589.31
  5. Step 5: Solve for x
    x = 461,877,704,589.31/979,368.96
  6. Step 6: Final answer
    x = 471,607.46

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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.