Home / 759,457.32-1,139,358.78-404,284.20

Finding the Fourth Proportional to 759,457.32, 1,139,358.78 and 404,284.20

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Solution

The fourth proportional to 759,457.32, 1,139,358.78 and 404,284.20 is: 606,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,457.32 : 1,139,358.78 = 404,284.20 : x
  2. Step 2: Convert to fraction form
    759,457.32/1,139,358.78 = 404,284.20/x
  3. Step 3: Cross multiply
    759,457.32x = 1,139,358.78 × 404,284.20
  4. Step 4: Simplify right side
    759,457.32x = 460,624,752,885.28
  5. Step 5: Solve for x
    x = 460,624,752,885.28/759,457.32
  6. Step 6: Final answer
    x = 606,518.29

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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.