Home / 651,629.80-977,444.70-448,676.20

Finding the Fourth Proportional to 651,629.80, 977,444.70 and 448,676.20

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Solution

The fourth proportional to 651,629.80, 977,444.70 and 448,676.20 is: 673,014.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,629.80 : 977,444.70 = 448,676.20 : x
  2. Step 2: Convert to fraction form
    651,629.80/977,444.70 = 448,676.20/x
  3. Step 3: Cross multiply
    651,629.80x = 977,444.70 × 448,676.20
  4. Step 4: Simplify right side
    651,629.80x = 438,556,173,706.14
  5. Step 5: Solve for x
    x = 438,556,173,706.14/651,629.80
  6. Step 6: Final answer
    x = 673,014.30

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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.