Home / 708,212.16-977,327.37-385,921.26

Finding the Fourth Proportional to 708,212.16, 977,327.37 and 385,921.26

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Solution

The fourth proportional to 708,212.16, 977,327.37 and 385,921.26 is: 532,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,212.16 : 977,327.37 = 385,921.26 : x
  2. Step 2: Convert to fraction form
    708,212.16/977,327.37 = 385,921.26/x
  3. Step 3: Cross multiply
    708,212.16x = 977,327.37 × 385,921.26
  4. Step 4: Simplify right side
    708,212.16x = 377,171,410,062.89
  5. Step 5: Solve for x
    x = 377,171,410,062.89/708,212.16
  6. Step 6: Final answer
    x = 532,568.39

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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.