Home / 849,885.36-1,275,009.96-344,440.56

Finding the Fourth Proportional to 849,885.36, 1,275,009.96 and 344,440.56

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Solution

The fourth proportional to 849,885.36, 1,275,009.96 and 344,440.56 is: 516,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,885.36 : 1,275,009.96 = 344,440.56 : x
  2. Step 2: Convert to fraction form
    849,885.36/1,275,009.96 = 344,440.56/x
  3. Step 3: Cross multiply
    849,885.36x = 1,275,009.96 × 344,440.56
  4. Step 4: Simplify right side
    849,885.36x = 439,165,144,627.98
  5. Step 5: Solve for x
    x = 439,165,144,627.98/849,885.36
  6. Step 6: Final answer
    x = 516,734.57

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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.