Home / 801,986.40-1,106,698.91-457,808.63

Finding the Fourth Proportional to 801,986.40, 1,106,698.91 and 457,808.63

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Solution

The fourth proportional to 801,986.40, 1,106,698.91 and 457,808.63 is: 631,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,986.40 : 1,106,698.91 = 457,808.63 : x
  2. Step 2: Convert to fraction form
    801,986.40/1,106,698.91 = 457,808.63/x
  3. Step 3: Cross multiply
    801,986.40x = 1,106,698.91 × 457,808.63
  4. Step 4: Simplify right side
    801,986.40x = 506,656,303,987.06
  5. Step 5: Solve for x
    x = 506,656,303,987.06/801,986.40
  6. Step 6: Final answer
    x = 631,751.74

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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.