Home / 738,982.86-1,019,794.68-416,690.65

Finding the Fourth Proportional to 738,982.86, 1,019,794.68 and 416,690.65

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Solution

The fourth proportional to 738,982.86, 1,019,794.68 and 416,690.65 is: 575,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,982.86 : 1,019,794.68 = 416,690.65 : x
  2. Step 2: Convert to fraction form
    738,982.86/1,019,794.68 = 416,690.65/x
  3. Step 3: Cross multiply
    738,982.86x = 1,019,794.68 × 416,690.65
  4. Step 4: Simplify right side
    738,982.86x = 424,938,906,937.20
  5. Step 5: Solve for x
    x = 424,938,906,937.20/738,982.86
  6. Step 6: Final answer
    x = 575,032.16

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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.