Home / 913,431.37-1,260,526.00-505,534.00

Finding the Fourth Proportional to 913,431.37, 1,260,526.00 and 505,534.00

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Solution

The fourth proportional to 913,431.37, 1,260,526.00 and 505,534.00 is: 697,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,431.37 : 1,260,526.00 = 505,534.00 : x
  2. Step 2: Convert to fraction form
    913,431.37/1,260,526.00 = 505,534.00/x
  3. Step 3: Cross multiply
    913,431.37x = 1,260,526.00 × 505,534.00
  4. Step 4: Simplify right side
    913,431.37x = 637,238,746,468.85
  5. Step 5: Solve for x
    x = 637,238,746,468.85/913,431.37
  6. Step 6: Final answer
    x = 697,631.78

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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.