Home / 783,064.80-1,173,722.40-446,266.80

Finding the Fourth Proportional to 783,064.80, 1,173,722.40 and 446,266.80

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Solution

The fourth proportional to 783,064.80, 1,173,722.40 and 446,266.80 is: 668,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,064.80 : 1,173,722.40 = 446,266.80 : x
  2. Step 2: Convert to fraction form
    783,064.80/1,173,722.40 = 446,266.80/x
  3. Step 3: Cross multiply
    783,064.80x = 1,173,722.40 × 446,266.80
  4. Step 4: Simplify right side
    783,064.80x = 523,793,339,536.32
  5. Step 5: Solve for x
    x = 523,793,339,536.32/783,064.80
  6. Step 6: Final answer
    x = 668,901.65

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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.