Home / 942,538.84-1,300,664.72-512,820.66

Finding the Fourth Proportional to 942,538.84, 1,300,664.72 and 512,820.66

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Solution

The fourth proportional to 942,538.84, 1,300,664.72 and 512,820.66 is: 707,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,538.84 : 1,300,664.72 = 512,820.66 : x
  2. Step 2: Convert to fraction form
    942,538.84/1,300,664.72 = 512,820.66/x
  3. Step 3: Cross multiply
    942,538.84x = 1,300,664.72 × 512,820.66
  4. Step 4: Simplify right side
    942,538.84x = 667,007,740,149.12
  5. Step 5: Solve for x
    x = 667,007,740,149.12/942,538.84
  6. Step 6: Final answer
    x = 707,671.36

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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.