Home / 876,949.70-1,314,987.15-403,099.70

Finding the Fourth Proportional to 876,949.70, 1,314,987.15 and 403,099.70

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Solution

The fourth proportional to 876,949.70, 1,314,987.15 and 403,099.70 is: 604,448.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,949.70 : 1,314,987.15 = 403,099.70 : x
  2. Step 2: Convert to fraction form
    876,949.70/1,314,987.15 = 403,099.70/x
  3. Step 3: Cross multiply
    876,949.70x = 1,314,987.15 × 403,099.70
  4. Step 4: Simplify right side
    876,949.70x = 530,070,925,668.86
  5. Step 5: Solve for x
    x = 530,070,925,668.86/876,949.70
  6. Step 6: Final answer
    x = 604,448.49

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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.