Home / 1,039,443.21-1,559,220.69-329,526.60

Finding the Fourth Proportional to 1,039,443.21, 1,559,220.69 and 329,526.60

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Solution

The fourth proportional to 1,039,443.21, 1,559,220.69 and 329,526.60 is: 494,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,443.21 : 1,559,220.69 = 329,526.60 : x
  2. Step 2: Convert to fraction form
    1,039,443.21/1,559,220.69 = 329,526.60/x
  3. Step 3: Cross multiply
    1,039,443.21x = 1,559,220.69 × 329,526.60
  4. Step 4: Simplify right side
    1,039,443.21x = 513,804,692,625.35
  5. Step 5: Solve for x
    x = 513,804,692,625.35/1,039,443.21
  6. Step 6: Final answer
    x = 494,307.61

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Double scale
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Similar ratio
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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.