Home / 756,817.38-1,044,403.74-417,285.90

Finding the Fourth Proportional to 756,817.38, 1,044,403.74 and 417,285.90

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Solution

The fourth proportional to 756,817.38, 1,044,403.74 and 417,285.90 is: 575,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,817.38 : 1,044,403.74 = 417,285.90 : x
  2. Step 2: Convert to fraction form
    756,817.38/1,044,403.74 = 417,285.90/x
  3. Step 3: Cross multiply
    756,817.38x = 1,044,403.74 × 417,285.90
  4. Step 4: Simplify right side
    756,817.38x = 435,814,954,609.27
  5. Step 5: Solve for x
    x = 435,814,954,609.27/756,817.38
  6. Step 6: Final answer
    x = 575,852.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.