Home / 830,013.40-1,245,165.90-297,843.40

Finding the Fourth Proportional to 830,013.40, 1,245,165.90 and 297,843.40

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Solution

The fourth proportional to 830,013.40, 1,245,165.90 and 297,843.40 is: 446,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,013.40 : 1,245,165.90 = 297,843.40 : x
  2. Step 2: Convert to fraction form
    830,013.40/1,245,165.90 = 297,843.40/x
  3. Step 3: Cross multiply
    830,013.40x = 1,245,165.90 × 297,843.40
  4. Step 4: Simplify right side
    830,013.40x = 370,864,445,220.06
  5. Step 5: Solve for x
    x = 370,864,445,220.06/830,013.40
  6. Step 6: Final answer
    x = 446,817.42

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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.