Home / 750,667.32-1,035,938.22-428,407.44

Finding the Fourth Proportional to 750,667.32, 1,035,938.22 and 428,407.44

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Solution

The fourth proportional to 750,667.32, 1,035,938.22 and 428,407.44 is: 591,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,667.32 : 1,035,938.22 = 428,407.44 : x
  2. Step 2: Convert to fraction form
    750,667.32/1,035,938.22 = 428,407.44/x
  3. Step 3: Cross multiply
    750,667.32x = 1,035,938.22 × 428,407.44
  4. Step 4: Simplify right side
    750,667.32x = 443,803,640,828.36
  5. Step 5: Solve for x
    x = 443,803,640,828.36/750,667.32
  6. Step 6: Final answer
    x = 591,212.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.