Home / 685,794.90-1,028,692.35-242,562.90

Finding the Fourth Proportional to 685,794.90, 1,028,692.35 and 242,562.90

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Solution

The fourth proportional to 685,794.90, 1,028,692.35 and 242,562.90 is: 363,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,794.90 : 1,028,692.35 = 242,562.90 : x
  2. Step 2: Convert to fraction form
    685,794.90/1,028,692.35 = 242,562.90/x
  3. Step 3: Cross multiply
    685,794.90x = 1,028,692.35 × 242,562.90
  4. Step 4: Simplify right side
    685,794.90x = 249,522,599,623.82
  5. Step 5: Solve for x
    x = 249,522,599,623.82/685,794.90
  6. Step 6: Final answer
    x = 363,844.35

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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.