Home / 889,281.66-1,333,105.13-320,523.57

Finding the Fourth Proportional to 889,281.66, 1,333,105.13 and 320,523.57

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Solution

The fourth proportional to 889,281.66, 1,333,105.13 and 320,523.57 is: 480,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,281.66 : 1,333,105.13 = 320,523.57 : x
  2. Step 2: Convert to fraction form
    889,281.66/1,333,105.13 = 320,523.57/x
  3. Step 3: Cross multiply
    889,281.66x = 1,333,105.13 × 320,523.57
  4. Step 4: Simplify right side
    889,281.66x = 427,291,616,254.22
  5. Step 5: Solve for x
    x = 427,291,616,254.22/889,281.66
  6. Step 6: Final answer
    x = 480,490.75

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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.