Home / 909,306.42-1,254,816.01-501,408.16

Finding the Fourth Proportional to 909,306.42, 1,254,816.01 and 501,408.16

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Solution

The fourth proportional to 909,306.42, 1,254,816.01 and 501,408.16 is: 691,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,306.42 : 1,254,816.01 = 501,408.16 : x
  2. Step 2: Convert to fraction form
    909,306.42/1,254,816.01 = 501,408.16/x
  3. Step 3: Cross multiply
    909,306.42x = 1,254,816.01 × 501,408.16
  4. Step 4: Simplify right side
    909,306.42x = 629,174,984,202.36
  5. Step 5: Solve for x
    x = 629,174,984,202.36/909,306.42
  6. Step 6: Final answer
    x = 691,928.46

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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.