Home / 756,037.80-1,135,368.90-401,743.80

Finding the Fourth Proportional to 756,037.80, 1,135,368.90 and 401,743.80

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Solution

The fourth proportional to 756,037.80, 1,135,368.90 and 401,743.80 is: 603,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,037.80 : 1,135,368.90 = 401,743.80 : x
  2. Step 2: Convert to fraction form
    756,037.80/1,135,368.90 = 401,743.80/x
  3. Step 3: Cross multiply
    756,037.80x = 1,135,368.90 × 401,743.80
  4. Step 4: Simplify right side
    756,037.80x = 456,127,416,287.82
  5. Step 5: Solve for x
    x = 456,127,416,287.82/756,037.80
  6. Step 6: Final answer
    x = 603,312.98

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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.