Home / 740,554.20-1,021,968.54-401,023.80

Finding the Fourth Proportional to 740,554.20, 1,021,968.54 and 401,023.80

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Solution

The fourth proportional to 740,554.20, 1,021,968.54 and 401,023.80 is: 553,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,554.20 : 1,021,968.54 = 401,023.80 : x
  2. Step 2: Convert to fraction form
    740,554.20/1,021,968.54 = 401,023.80/x
  3. Step 3: Cross multiply
    740,554.20x = 1,021,968.54 × 401,023.80
  4. Step 4: Simplify right side
    740,554.20x = 409,833,707,391.25
  5. Step 5: Solve for x
    x = 409,833,707,391.25/740,554.20
  6. Step 6: Final answer
    x = 553,414.87

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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.