Home / 730,375.40-1,095,563.10-448,980.20

Finding the Fourth Proportional to 730,375.40, 1,095,563.10 and 448,980.20

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Solution

The fourth proportional to 730,375.40, 1,095,563.10 and 448,980.20 is: 673,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,375.40 : 1,095,563.10 = 448,980.20 : x
  2. Step 2: Convert to fraction form
    730,375.40/1,095,563.10 = 448,980.20/x
  3. Step 3: Cross multiply
    730,375.40x = 1,095,563.10 × 448,980.20
  4. Step 4: Simplify right side
    730,375.40x = 491,886,139,750.62
  5. Step 5: Solve for x
    x = 491,886,139,750.62/730,375.40
  6. Step 6: Final answer
    x = 673,470.30

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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.