Home / 783,423.60-1,175,524.20-446,722.80

Finding the Fourth Proportional to 783,423.60, 1,175,524.20 and 446,722.80

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Solution

The fourth proportional to 783,423.60, 1,175,524.20 and 446,722.80 is: 670,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,423.60 : 1,175,524.20 = 446,722.80 : x
  2. Step 2: Convert to fraction form
    783,423.60/1,175,524.20 = 446,722.80/x
  3. Step 3: Cross multiply
    783,423.60x = 1,175,524.20 × 446,722.80
  4. Step 4: Simplify right side
    783,423.60x = 525,133,462,091.76
  5. Step 5: Solve for x
    x = 525,133,462,091.76/783,423.60
  6. Step 6: Final answer
    x = 670,305.90

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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.