Home / 942,006.95-1,299,957.35-512,277.86

Finding the Fourth Proportional to 942,006.95, 1,299,957.35 and 512,277.86

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Solution

The fourth proportional to 942,006.95, 1,299,957.35 and 512,277.86 is: 706,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,006.95 : 1,299,957.35 = 512,277.86 : x
  2. Step 2: Convert to fraction form
    942,006.95/1,299,957.35 = 512,277.86/x
  3. Step 3: Cross multiply
    942,006.95x = 1,299,957.35 × 512,277.86
  4. Step 4: Simplify right side
    942,006.95x = 665,939,360,288.10
  5. Step 5: Solve for x
    x = 665,939,360,288.10/942,006.95
  6. Step 6: Final answer
    x = 706,936.78

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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.