Home / 942,011.52-1,299,969.48-512,290.48

Finding the Fourth Proportional to 942,011.52, 1,299,969.48 and 512,290.48

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Solution

The fourth proportional to 942,011.52, 1,299,969.48 and 512,290.48 is: 706,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,011.52 : 1,299,969.48 = 512,290.48 : x
  2. Step 2: Convert to fraction form
    942,011.52/1,299,969.48 = 512,290.48/x
  3. Step 3: Cross multiply
    942,011.52x = 1,299,969.48 × 512,290.48
  4. Step 4: Simplify right side
    942,011.52x = 665,961,988,894.55
  5. Step 5: Solve for x
    x = 665,961,988,894.55/942,011.52
  6. Step 6: Final answer
    x = 706,957.37

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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.