Home / 740,554.56-1,021,959.46-401,022.80

Finding the Fourth Proportional to 740,554.56, 1,021,959.46 and 401,022.80

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Solution

The fourth proportional to 740,554.56, 1,021,959.46 and 401,022.80 is: 553,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,554.56 : 1,021,959.46 = 401,022.80 : x
  2. Step 2: Convert to fraction form
    740,554.56/1,021,959.46 = 401,022.80/x
  3. Step 3: Cross multiply
    740,554.56x = 1,021,959.46 × 401,022.80
  4. Step 4: Simplify right side
    740,554.56x = 409,829,044,135.69
  5. Step 5: Solve for x
    x = 409,829,044,135.69/740,554.56
  6. Step 6: Final answer
    x = 553,408.31

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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.