Home / 899,019.78-1,240,685.07-517,046.94

Finding the Fourth Proportional to 899,019.78, 1,240,685.07 and 517,046.94

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Solution

The fourth proportional to 899,019.78, 1,240,685.07 and 517,046.94 is: 713,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,019.78 : 1,240,685.07 = 517,046.94 : x
  2. Step 2: Convert to fraction form
    899,019.78/1,240,685.07 = 517,046.94/x
  3. Step 3: Cross multiply
    899,019.78x = 1,240,685.07 × 517,046.94
  4. Step 4: Simplify right side
    899,019.78x = 641,492,418,947.19
  5. Step 5: Solve for x
    x = 641,492,418,947.19/899,019.78
  6. Step 6: Final answer
    x = 713,546.50

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1.5x scale

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.