Home / 783,420.60-1,175,303.70-250,966.20

Finding the Fourth Proportional to 783,420.60, 1,175,303.70 and 250,966.20

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Solution

The fourth proportional to 783,420.60, 1,175,303.70 and 250,966.20 is: 376,504.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,420.60 : 1,175,303.70 = 250,966.20 : x
  2. Step 2: Convert to fraction form
    783,420.60/1,175,303.70 = 250,966.20/x
  3. Step 3: Cross multiply
    783,420.60x = 1,175,303.70 × 250,966.20
  4. Step 4: Simplify right side
    783,420.60x = 294,961,503,434.94
  5. Step 5: Solve for x
    x = 294,961,503,434.94/783,420.60
  6. Step 6: Final answer
    x = 376,504.66

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Double scale
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Similar ratio
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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.