Home / 913,431.34-1,260,525.96-505,533.97

Finding the Fourth Proportional to 913,431.34, 1,260,525.96 and 505,533.97

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Solution

The fourth proportional to 913,431.34, 1,260,525.96 and 505,533.97 is: 697,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,431.34 : 1,260,525.96 = 505,533.97 : x
  2. Step 2: Convert to fraction form
    913,431.34/1,260,525.96 = 505,533.97/x
  3. Step 3: Cross multiply
    913,431.34x = 1,260,525.96 × 505,533.97
  4. Step 4: Simplify right side
    913,431.34x = 637,238,692,846.86
  5. Step 5: Solve for x
    x = 637,238,692,846.86/913,431.34
  6. Step 6: Final answer
    x = 697,631.74

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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.