Home / 742,556.10-1,113,615.45-293,127.60

Finding the Fourth Proportional to 742,556.10, 1,113,615.45 and 293,127.60

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Solution

The fourth proportional to 742,556.10, 1,113,615.45 and 293,127.60 is: 439,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,556.10 : 1,113,615.45 = 293,127.60 : x
  2. Step 2: Convert to fraction form
    742,556.10/1,113,615.45 = 293,127.60/x
  3. Step 3: Cross multiply
    742,556.10x = 1,113,615.45 × 293,127.60
  4. Step 4: Simplify right side
    742,556.10x = 326,431,424,181.42
  5. Step 5: Solve for x
    x = 326,431,424,181.42/742,556.10
  6. Step 6: Final answer
    x = 439,605.07

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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.