Home / 810,886.77-1,118,938.05-448,252.20

Finding the Fourth Proportional to 810,886.77, 1,118,938.05 and 448,252.20

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Solution

The fourth proportional to 810,886.77, 1,118,938.05 and 448,252.20 is: 618,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,886.77 : 1,118,938.05 = 448,252.20 : x
  2. Step 2: Convert to fraction form
    810,886.77/1,118,938.05 = 448,252.20/x
  3. Step 3: Cross multiply
    810,886.77x = 1,118,938.05 × 448,252.20
  4. Step 4: Simplify right side
    810,886.77x = 501,566,442,576.21
  5. Step 5: Solve for x
    x = 501,566,442,576.21/810,886.77
  6. Step 6: Final answer
    x = 618,540.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.