Home / 611,922.40-844,333.68-357,284.32

Finding the Fourth Proportional to 611,922.40, 844,333.68 and 357,284.32

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Solution

The fourth proportional to 611,922.40, 844,333.68 and 357,284.32 is: 492,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,922.40 : 844,333.68 = 357,284.32 : x
  2. Step 2: Convert to fraction form
    611,922.40/844,333.68 = 357,284.32/x
  3. Step 3: Cross multiply
    611,922.40x = 844,333.68 × 357,284.32
  4. Step 4: Simplify right side
    611,922.40x = 301,667,184,711.90
  5. Step 5: Solve for x
    x = 301,667,184,711.90/611,922.40
  6. Step 6: Final answer
    x = 492,982.75

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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.