Home / 810,881.92-1,118,968.84-448,284.06

Finding the Fourth Proportional to 810,881.92, 1,118,968.84 and 448,284.06

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Solution

The fourth proportional to 810,881.92, 1,118,968.84 and 448,284.06 is: 618,605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,881.92 : 1,118,968.84 = 448,284.06 : x
  2. Step 2: Convert to fraction form
    810,881.92/1,118,968.84 = 448,284.06/x
  3. Step 3: Cross multiply
    810,881.92x = 1,118,968.84 × 448,284.06
  4. Step 4: Simplify right side
    810,881.92x = 501,615,894,608.69
  5. Step 5: Solve for x
    x = 501,615,894,608.69/810,881.92
  6. Step 6: Final answer
    x = 618,605.35

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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.