Home / 971,407.01-1,456,228.37-339,976.37

Finding the Fourth Proportional to 971,407.01, 1,456,228.37 and 339,976.37

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Solution

The fourth proportional to 971,407.01, 1,456,228.37 and 339,976.37 is: 509,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,407.01 : 1,456,228.37 = 339,976.37 : x
  2. Step 2: Convert to fraction form
    971,407.01/1,456,228.37 = 339,976.37/x
  3. Step 3: Cross multiply
    971,407.01x = 1,456,228.37 × 339,976.37
  4. Step 4: Simplify right side
    971,407.01x = 495,083,226,142.59
  5. Step 5: Solve for x
    x = 495,083,226,142.59/971,407.01
  6. Step 6: Final answer
    x = 509,655.81

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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.