Home / 916,563.26-1,374,516.81-317,363.60

Finding the Fourth Proportional to 916,563.26, 1,374,516.81 and 317,363.60

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Solution

The fourth proportional to 916,563.26, 1,374,516.81 and 317,363.60 is: 475,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,563.26 : 1,374,516.81 = 317,363.60 : x
  2. Step 2: Convert to fraction form
    916,563.26/1,374,516.81 = 317,363.60/x
  3. Step 3: Cross multiply
    916,563.26x = 1,374,516.81 × 317,363.60
  4. Step 4: Simplify right side
    916,563.26x = 436,221,603,082.12
  5. Step 5: Solve for x
    x = 436,221,603,082.12/916,563.26
  6. Step 6: Final answer
    x = 475,931.80

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Double scale
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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.