Home / 942,102.63-1,300,439.84-560,128.50

Finding the Fourth Proportional to 942,102.63, 1,300,439.84 and 560,128.50

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Solution

The fourth proportional to 942,102.63, 1,300,439.84 and 560,128.50 is: 773,178.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,102.63 : 1,300,439.84 = 560,128.50 : x
  2. Step 2: Convert to fraction form
    942,102.63/1,300,439.84 = 560,128.50/x
  3. Step 3: Cross multiply
    942,102.63x = 1,300,439.84 × 560,128.50
  4. Step 4: Simplify right side
    942,102.63x = 728,413,414,118.80
  5. Step 5: Solve for x
    x = 728,413,414,118.80/942,102.63
  6. Step 6: Final answer
    x = 773,178.41

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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.