Home / 909,101.07-1,254,500.46-501,206.33

Finding the Fourth Proportional to 909,101.07, 1,254,500.46 and 501,206.33

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Solution

The fourth proportional to 909,101.07, 1,254,500.46 and 501,206.33 is: 691,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,101.07 : 1,254,500.46 = 501,206.33 : x
  2. Step 2: Convert to fraction form
    909,101.07/1,254,500.46 = 501,206.33/x
  3. Step 3: Cross multiply
    909,101.07x = 1,254,500.46 × 501,206.33
  4. Step 4: Simplify right side
    909,101.07x = 628,763,574,676.16
  5. Step 5: Solve for x
    x = 628,763,574,676.16/909,101.07
  6. Step 6: Final answer
    x = 691,632.20

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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.