Home / 783,427.60-1,175,530.20-446,726.80

Finding the Fourth Proportional to 783,427.60, 1,175,530.20 and 446,726.80

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Solution

The fourth proportional to 783,427.60, 1,175,530.20 and 446,726.80 is: 670,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,427.60 : 1,175,530.20 = 446,726.80 : x
  2. Step 2: Convert to fraction form
    783,427.60/1,175,530.20 = 446,726.80/x
  3. Step 3: Cross multiply
    783,427.60x = 1,175,530.20 × 446,726.80
  4. Step 4: Simplify right side
    783,427.60x = 525,140,844,549.36
  5. Step 5: Solve for x
    x = 525,140,844,549.36/783,427.60
  6. Step 6: Final answer
    x = 670,311.90

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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.