Home / 626,827.90-940,645.05-346,546.30

Finding the Fourth Proportional to 626,827.90, 940,645.05 and 346,546.30

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Solution

The fourth proportional to 626,827.90, 940,645.05 and 346,546.30 is: 520,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,827.90 : 940,645.05 = 346,546.30 : x
  2. Step 2: Convert to fraction form
    626,827.90/940,645.05 = 346,546.30/x
  3. Step 3: Cross multiply
    626,827.90x = 940,645.05 × 346,546.30
  4. Step 4: Simplify right side
    626,827.90x = 325,977,061,690.82
  5. Step 5: Solve for x
    x = 325,977,061,690.82/626,827.90
  6. Step 6: Final answer
    x = 520,042.36

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1.5x scale

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.