Home / 887,916.30-1,330,343.55-413,628.90

Finding the Fourth Proportional to 887,916.30, 1,330,343.55 and 413,628.90

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Solution

The fourth proportional to 887,916.30, 1,330,343.55 and 413,628.90 is: 619,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,916.30 : 1,330,343.55 = 413,628.90 : x
  2. Step 2: Convert to fraction form
    887,916.30/1,330,343.55 = 413,628.90/x
  3. Step 3: Cross multiply
    887,916.30x = 1,330,343.55 × 413,628.90
  4. Step 4: Simplify right side
    887,916.30x = 550,268,539,208.60
  5. Step 5: Solve for x
    x = 550,268,539,208.60/887,916.30
  6. Step 6: Final answer
    x = 619,730.19

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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.