Home / 889,605.20-1,334,580.60-384,165.20

Finding the Fourth Proportional to 889,605.20, 1,334,580.60 and 384,165.20

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Solution

The fourth proportional to 889,605.20, 1,334,580.60 and 384,165.20 is: 576,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,605.20 : 1,334,580.60 = 384,165.20 : x
  2. Step 2: Convert to fraction form
    889,605.20/1,334,580.60 = 384,165.20/x
  3. Step 3: Cross multiply
    889,605.20x = 1,334,580.60 × 384,165.20
  4. Step 4: Simplify right side
    889,605.20x = 512,699,423,115.12
  5. Step 5: Solve for x
    x = 512,699,423,115.12/889,605.20
  6. Step 6: Final answer
    x = 576,322.42

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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.