Home / 971,401.55-1,456,220.23-339,970.91

Finding the Fourth Proportional to 971,401.55, 1,456,220.23 and 339,970.91

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Solution

The fourth proportional to 971,401.55, 1,456,220.23 and 339,970.91 is: 509,647.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,401.55 : 1,456,220.23 = 339,970.91 : x
  2. Step 2: Convert to fraction form
    971,401.55/1,456,220.23 = 339,970.91/x
  3. Step 3: Cross multiply
    971,401.55x = 1,456,220.23 × 339,970.91
  4. Step 4: Simplify right side
    971,401.55x = 495,072,508,622.48
  5. Step 5: Solve for x
    x = 495,072,508,622.48/971,401.55
  6. Step 6: Final answer
    x = 509,647.64

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Double scale
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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.