Home / 683,531.70-1,025,395.59-210,256.98

Finding the Fourth Proportional to 683,531.70, 1,025,395.59 and 210,256.98

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Solution

The fourth proportional to 683,531.70, 1,025,395.59 and 210,256.98 is: 315,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,531.70 : 1,025,395.59 = 210,256.98 : x
  2. Step 2: Convert to fraction form
    683,531.70/1,025,395.59 = 210,256.98/x
  3. Step 3: Cross multiply
    683,531.70x = 1,025,395.59 × 210,256.98
  4. Step 4: Simplify right side
    683,531.70x = 215,596,580,058.72
  5. Step 5: Solve for x
    x = 215,596,580,058.72/683,531.70
  6. Step 6: Final answer
    x = 315,415.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.