Home / 879,275.71-1,318,027.42-346,590.55

Finding the Fourth Proportional to 879,275.71, 1,318,027.42 and 346,590.55

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Solution

The fourth proportional to 879,275.71, 1,318,027.42 and 346,590.55 is: 519,536.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,275.71 : 1,318,027.42 = 346,590.55 : x
  2. Step 2: Convert to fraction form
    879,275.71/1,318,027.42 = 346,590.55/x
  3. Step 3: Cross multiply
    879,275.71x = 1,318,027.42 × 346,590.55
  4. Step 4: Simplify right side
    879,275.71x = 456,815,848,412.88
  5. Step 5: Solve for x
    x = 456,815,848,412.88/879,275.71
  6. Step 6: Final answer
    x = 519,536.53

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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.