Home / 947,389.60-1,421,084.40-683,005.60

Finding the Fourth Proportional to 947,389.60, 1,421,084.40 and 683,005.60

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Solution

The fourth proportional to 947,389.60, 1,421,084.40 and 683,005.60 is: 1,024,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,389.60 : 1,421,084.40 = 683,005.60 : x
  2. Step 2: Convert to fraction form
    947,389.60/1,421,084.40 = 683,005.60/x
  3. Step 3: Cross multiply
    947,389.60x = 1,421,084.40 × 683,005.60
  4. Step 4: Simplify right side
    947,389.60x = 970,608,603,272.64
  5. Step 5: Solve for x
    x = 970,608,603,272.64/947,389.60
  6. Step 6: Final answer
    x = 1,024,508.40

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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.