Home / 857,369.16-1,286,269.98-605,142.28

Finding the Fourth Proportional to 857,369.16, 1,286,269.98 and 605,142.28

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Solution

The fourth proportional to 857,369.16, 1,286,269.98 and 605,142.28 is: 907,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,369.16 : 1,286,269.98 = 605,142.28 : x
  2. Step 2: Convert to fraction form
    857,369.16/1,286,269.98 = 605,142.28/x
  3. Step 3: Cross multiply
    857,369.16x = 1,286,269.98 × 605,142.28
  4. Step 4: Simplify right side
    857,369.16x = 778,376,348,392.75
  5. Step 5: Solve for x
    x = 778,376,348,392.75/857,369.16
  6. Step 6: Final answer
    x = 907,866.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.