Home / 913,544.39-1,260,659.07-505,647.02

Finding the Fourth Proportional to 913,544.39, 1,260,659.07 and 505,647.02

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Solution

The fourth proportional to 913,544.39, 1,260,659.07 and 505,647.02 is: 697,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,544.39 : 1,260,659.07 = 505,647.02 : x
  2. Step 2: Convert to fraction form
    913,544.39/1,260,659.07 = 505,647.02/x
  3. Step 3: Cross multiply
    913,544.39x = 1,260,659.07 × 505,647.02
  4. Step 4: Simplify right side
    913,544.39x = 637,448,495,678.18
  5. Step 5: Solve for x
    x = 637,448,495,678.18/913,544.39
  6. Step 6: Final answer
    x = 697,775.07

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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.