Home / 648,014.90-972,022.35-364,579.70

Finding the Fourth Proportional to 648,014.90, 972,022.35 and 364,579.70

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Solution

The fourth proportional to 648,014.90, 972,022.35 and 364,579.70 is: 546,869.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,014.90 : 972,022.35 = 364,579.70 : x
  2. Step 2: Convert to fraction form
    648,014.90/972,022.35 = 364,579.70/x
  3. Step 3: Cross multiply
    648,014.90x = 972,022.35 × 364,579.70
  4. Step 4: Simplify right side
    648,014.90x = 354,379,616,756.30
  5. Step 5: Solve for x
    x = 354,379,616,756.30/648,014.90
  6. Step 6: Final answer
    x = 546,869.55

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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.