Home / 385,382.28-577,325.37-283,996.35

Finding the Fourth Proportional to 385,382.28, 577,325.37 and 283,996.35

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Solution

The fourth proportional to 385,382.28, 577,325.37 and 283,996.35 is: 425,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,382.28 : 577,325.37 = 283,996.35 : x
  2. Step 2: Convert to fraction form
    385,382.28/577,325.37 = 283,996.35/x
  3. Step 3: Cross multiply
    385,382.28x = 577,325.37 × 283,996.35
  4. Step 4: Simplify right side
    385,382.28x = 163,958,297,842.40
  5. Step 5: Solve for x
    x = 163,958,297,842.40/385,382.28
  6. Step 6: Final answer
    x = 425,443.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.