Home / 971,440.40-1,456,091.40-340,029.20

Finding the Fourth Proportional to 971,440.40, 1,456,091.40 and 340,029.20

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Solution

The fourth proportional to 971,440.40, 1,456,091.40 and 340,029.20 is: 509,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,440.40 : 1,456,091.40 = 340,029.20 : x
  2. Step 2: Convert to fraction form
    971,440.40/1,456,091.40 = 340,029.20/x
  3. Step 3: Cross multiply
    971,440.40x = 1,456,091.40 × 340,029.20
  4. Step 4: Simplify right side
    971,440.40x = 495,113,593,868.88
  5. Step 5: Solve for x
    x = 495,113,593,868.88/971,440.40
  6. Step 6: Final answer
    x = 509,669.55

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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.