Home / 746,410.92-1,030,009.86-424,078.44

Finding the Fourth Proportional to 746,410.92, 1,030,009.86 and 424,078.44

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Solution

The fourth proportional to 746,410.92, 1,030,009.86 and 424,078.44 is: 585,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,410.92 : 1,030,009.86 = 424,078.44 : x
  2. Step 2: Convert to fraction form
    746,410.92/1,030,009.86 = 424,078.44/x
  3. Step 3: Cross multiply
    746,410.92x = 1,030,009.86 × 424,078.44
  4. Step 4: Simplify right side
    746,410.92x = 436,804,974,613.42
  5. Step 5: Solve for x
    x = 436,804,974,613.42/746,410.92
  6. Step 6: Final answer
    x = 585,207.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.