Home / 849,749.88-1,274,619.14-344,303.40

Finding the Fourth Proportional to 849,749.88, 1,274,619.14 and 344,303.40

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Solution

The fourth proportional to 849,749.88, 1,274,619.14 and 344,303.40 is: 516,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,749.88 : 1,274,619.14 = 344,303.40 : x
  2. Step 2: Convert to fraction form
    849,749.88/1,274,619.14 = 344,303.40/x
  3. Step 3: Cross multiply
    849,749.88x = 1,274,619.14 × 344,303.40
  4. Step 4: Simplify right side
    849,749.88x = 438,855,701,885.56
  5. Step 5: Solve for x
    x = 438,855,701,885.56/849,749.88
  6. Step 6: Final answer
    x = 516,452.80

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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.