Home / 977,374.46-1,347,977.06-687,944.16

Finding the Fourth Proportional to 977,374.46, 1,347,977.06 and 687,944.16

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Solution

The fourth proportional to 977,374.46, 1,347,977.06 and 687,944.16 is: 948,800.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,374.46 : 1,347,977.06 = 687,944.16 : x
  2. Step 2: Convert to fraction form
    977,374.46/1,347,977.06 = 687,944.16/x
  3. Step 3: Cross multiply
    977,374.46x = 1,347,977.06 × 687,944.16
  4. Step 4: Simplify right side
    977,374.46x = 927,332,946,240.97
  5. Step 5: Solve for x
    x = 927,332,946,240.97/977,374.46
  6. Step 6: Final answer
    x = 948,800.06

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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.