Home / 900,007.60-1,350,027.40-268,929.20

Finding the Fourth Proportional to 900,007.60, 1,350,027.40 and 268,929.20

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Solution

The fourth proportional to 900,007.60, 1,350,027.40 and 268,929.20 is: 403,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,007.60 : 1,350,027.40 = 268,929.20 : x
  2. Step 2: Convert to fraction form
    900,007.60/1,350,027.40 = 268,929.20/x
  3. Step 3: Cross multiply
    900,007.60x = 1,350,027.40 × 268,929.20
  4. Step 4: Simplify right side
    900,007.60x = 363,061,788,660.08
  5. Step 5: Solve for x
    x = 363,061,788,660.08/900,007.60
  6. Step 6: Final answer
    x = 403,398.58

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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.