Home / 783,423.10-1,175,523.45-446,722.30

Finding the Fourth Proportional to 783,423.10, 1,175,523.45 and 446,722.30

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Solution

The fourth proportional to 783,423.10, 1,175,523.45 and 446,722.30 is: 670,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,423.10 : 1,175,523.45 = 446,722.30 : x
  2. Step 2: Convert to fraction form
    783,423.10/1,175,523.45 = 446,722.30/x
  3. Step 3: Cross multiply
    783,423.10x = 1,175,523.45 × 446,722.30
  4. Step 4: Simplify right side
    783,423.10x = 525,132,539,287.94
  5. Step 5: Solve for x
    x = 525,132,539,287.94/783,423.10
  6. Step 6: Final answer
    x = 670,305.15

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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.