Home / 971,922.40-1,456,814.40-340,511.20

Finding the Fourth Proportional to 971,922.40, 1,456,814.40 and 340,511.20

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Solution

The fourth proportional to 971,922.40, 1,456,814.40 and 340,511.20 is: 510,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,922.40 : 1,456,814.40 = 340,511.20 : x
  2. Step 2: Convert to fraction form
    971,922.40/1,456,814.40 = 340,511.20/x
  3. Step 3: Cross multiply
    971,922.40x = 1,456,814.40 × 340,511.20
  4. Step 4: Simplify right side
    971,922.40x = 496,061,619,521.28
  5. Step 5: Solve for x
    x = 496,061,619,521.28/971,922.40
  6. Step 6: Final answer
    x = 510,392.21

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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.