Home / 769,816.37-1,062,271.68-425,605.16

Finding the Fourth Proportional to 769,816.37, 1,062,271.68 and 425,605.16

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Solution

The fourth proportional to 769,816.37, 1,062,271.68 and 425,605.16 is: 587,293.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,816.37 : 1,062,271.68 = 425,605.16 : x
  2. Step 2: Convert to fraction form
    769,816.37/1,062,271.68 = 425,605.16/x
  3. Step 3: Cross multiply
    769,816.37x = 1,062,271.68 × 425,605.16
  4. Step 4: Simplify right side
    769,816.37x = 452,108,303,018.51
  5. Step 5: Solve for x
    x = 452,108,303,018.51/769,816.37
  6. Step 6: Final answer
    x = 587,293.70

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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.