Home / 810,165.88-1,118,007.30-447,531.28

Finding the Fourth Proportional to 810,165.88, 1,118,007.30 and 447,531.28

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Solution

The fourth proportional to 810,165.88, 1,118,007.30 and 447,531.28 is: 617,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,165.88 : 1,118,007.30 = 447,531.28 : x
  2. Step 2: Convert to fraction form
    810,165.88/1,118,007.30 = 447,531.28/x
  3. Step 3: Cross multiply
    810,165.88x = 1,118,007.30 × 447,531.28
  4. Step 4: Simplify right side
    810,165.88x = 500,343,238,018.34
  5. Step 5: Solve for x
    x = 500,343,238,018.34/810,165.88
  6. Step 6: Final answer
    x = 617,581.23

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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.