Home / 671,389.25-1,006,973.16-215,957.70

Finding the Fourth Proportional to 671,389.25, 1,006,973.16 and 215,957.70

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Solution

The fourth proportional to 671,389.25, 1,006,973.16 and 215,957.70 is: 323,900.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,389.25 : 1,006,973.16 = 215,957.70 : x
  2. Step 2: Convert to fraction form
    671,389.25/1,006,973.16 = 215,957.70/x
  3. Step 3: Cross multiply
    671,389.25x = 1,006,973.16 × 215,957.70
  4. Step 4: Simplify right side
    671,389.25x = 217,463,611,371.48
  5. Step 5: Solve for x
    x = 217,463,611,371.48/671,389.25
  6. Step 6: Final answer
    x = 323,900.94

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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.