Home / 788,494.40-1,183,033.20-315,519.20

Finding the Fourth Proportional to 788,494.40, 1,183,033.20 and 315,519.20

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Solution

The fourth proportional to 788,494.40, 1,183,033.20 and 315,519.20 is: 473,395.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,494.40 : 1,183,033.20 = 315,519.20 : x
  2. Step 2: Convert to fraction form
    788,494.40/1,183,033.20 = 315,519.20/x
  3. Step 3: Cross multiply
    788,494.40x = 1,183,033.20 × 315,519.20
  4. Step 4: Simplify right side
    788,494.40x = 373,269,688,837.44
  5. Step 5: Solve for x
    x = 373,269,688,837.44/788,494.40
  6. Step 6: Final answer
    x = 473,395.48

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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.