Home / 841,734.33-1,263,104.57-309,309.18

Finding the Fourth Proportional to 841,734.33, 1,263,104.57 and 309,309.18

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Solution

The fourth proportional to 841,734.33, 1,263,104.57 and 309,309.18 is: 464,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,734.33 : 1,263,104.57 = 309,309.18 : x
  2. Step 2: Convert to fraction form
    841,734.33/1,263,104.57 = 309,309.18/x
  3. Step 3: Cross multiply
    841,734.33x = 1,263,104.57 × 309,309.18
  4. Step 4: Simplify right side
    841,734.33x = 390,689,837,254.41
  5. Step 5: Solve for x
    x = 390,689,837,254.41/841,734.33
  6. Step 6: Final answer
    x = 464,148.63

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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.