Home / 709,277.10-1,064,899.80-443,556.60

Finding the Fourth Proportional to 709,277.10, 1,064,899.80 and 443,556.60

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Solution

The fourth proportional to 709,277.10, 1,064,899.80 and 443,556.60 is: 665,950.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,277.10 : 1,064,899.80 = 443,556.60 : x
  2. Step 2: Convert to fraction form
    709,277.10/1,064,899.80 = 443,556.60/x
  3. Step 3: Cross multiply
    709,277.10x = 1,064,899.80 × 443,556.60
  4. Step 4: Simplify right side
    709,277.10x = 472,343,334,628.68
  5. Step 5: Solve for x
    x = 472,343,334,628.68/709,277.10
  6. Step 6: Final answer
    x = 665,950.35

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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.