Home / 940,709.48-1,298,178.06-510,989.92

Finding the Fourth Proportional to 940,709.48, 1,298,178.06 and 510,989.92

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Solution

The fourth proportional to 940,709.48, 1,298,178.06 and 510,989.92 is: 705,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,709.48 : 1,298,178.06 = 510,989.92 : x
  2. Step 2: Convert to fraction form
    940,709.48/1,298,178.06 = 510,989.92/x
  3. Step 3: Cross multiply
    940,709.48x = 1,298,178.06 × 510,989.92
  4. Step 4: Simplify right side
    940,709.48x = 663,355,903,025.16
  5. Step 5: Solve for x
    x = 663,355,903,025.16/940,709.48
  6. Step 6: Final answer
    x = 705,165.53

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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.