Home / 876,699.60-1,315,049.40-404,307.60

Finding the Fourth Proportional to 876,699.60, 1,315,049.40 and 404,307.60

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Solution

The fourth proportional to 876,699.60, 1,315,049.40 and 404,307.60 is: 606,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,699.60 : 1,315,049.40 = 404,307.60 : x
  2. Step 2: Convert to fraction form
    876,699.60/1,315,049.40 = 404,307.60/x
  3. Step 3: Cross multiply
    876,699.60x = 1,315,049.40 × 404,307.60
  4. Step 4: Simplify right side
    876,699.60x = 531,684,466,795.44
  5. Step 5: Solve for x
    x = 531,684,466,795.44/876,699.60
  6. Step 6: Final answer
    x = 606,461.40

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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.