Home / 844,417.14-1,267,291.38-312,090.40

Finding the Fourth Proportional to 844,417.14, 1,267,291.38 and 312,090.40

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Solution

The fourth proportional to 844,417.14, 1,267,291.38 and 312,090.40 is: 468,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,417.14 : 1,267,291.38 = 312,090.40 : x
  2. Step 2: Convert to fraction form
    844,417.14/1,267,291.38 = 312,090.40/x
  3. Step 3: Cross multiply
    844,417.14x = 1,267,291.38 × 312,090.40
  4. Step 4: Simplify right side
    844,417.14x = 395,509,473,700.75
  5. Step 5: Solve for x
    x = 395,509,473,700.75/844,417.14
  6. Step 6: Final answer
    x = 468,381.63

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1.5x scale

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.