Home / 626,690.43-864,741.55-358,366.59

Finding the Fourth Proportional to 626,690.43, 864,741.55 and 358,366.59

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Solution

The fourth proportional to 626,690.43, 864,741.55 and 358,366.59 is: 494,493.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,690.43 : 864,741.55 = 358,366.59 : x
  2. Step 2: Convert to fraction form
    626,690.43/864,741.55 = 358,366.59/x
  3. Step 3: Cross multiply
    626,690.43x = 864,741.55 × 358,366.59
  4. Step 4: Simplify right side
    626,690.43x = 309,894,480,504.82
  5. Step 5: Solve for x
    x = 309,894,480,504.82/626,690.43
  6. Step 6: Final answer
    x = 494,493.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.