Home / 971,922.90-1,456,815.15-340,511.70

Finding the Fourth Proportional to 971,922.90, 1,456,815.15 and 340,511.70

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Solution

The fourth proportional to 971,922.90, 1,456,815.15 and 340,511.70 is: 510,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,922.90 : 1,456,815.15 = 340,511.70 : x
  2. Step 2: Convert to fraction form
    971,922.90/1,456,815.15 = 340,511.70/x
  3. Step 3: Cross multiply
    971,922.90x = 1,456,815.15 × 340,511.70
  4. Step 4: Simplify right side
    971,922.90x = 496,062,603,312.26
  5. Step 5: Solve for x
    x = 496,062,603,312.26/971,922.90
  6. Step 6: Final answer
    x = 510,392.96

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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.