Home / 876,972.30-1,315,069.65-403,802.70

Finding the Fourth Proportional to 876,972.30, 1,315,069.65 and 403,802.70

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Solution

The fourth proportional to 876,972.30, 1,315,069.65 and 403,802.70 is: 605,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,972.30 : 1,315,069.65 = 403,802.70 : x
  2. Step 2: Convert to fraction form
    876,972.30/1,315,069.65 = 403,802.70/x
  3. Step 3: Cross multiply
    876,972.30x = 1,315,069.65 × 403,802.70
  4. Step 4: Simplify right side
    876,972.30x = 531,028,675,358.06
  5. Step 5: Solve for x
    x = 531,028,675,358.06/876,972.30
  6. Step 6: Final answer
    x = 605,525.03

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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.