Home / 940,500.47-1,297,898.28-510,783.68

Finding the Fourth Proportional to 940,500.47, 1,297,898.28 and 510,783.68

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Solution

The fourth proportional to 940,500.47, 1,297,898.28 and 510,783.68 is: 704,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,500.47 : 1,297,898.28 = 510,783.68 : x
  2. Step 2: Convert to fraction form
    940,500.47/1,297,898.28 = 510,783.68/x
  3. Step 3: Cross multiply
    940,500.47x = 1,297,898.28 × 510,783.68
  4. Step 4: Simplify right side
    940,500.47x = 662,945,262,968.82
  5. Step 5: Solve for x
    x = 662,945,262,968.82/940,500.47
  6. Step 6: Final answer
    x = 704,885.62

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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.