Home / 635,928.03-876,703.77-507,303.14

Finding the Fourth Proportional to 635,928.03, 876,703.77 and 507,303.14

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Solution

The fourth proportional to 635,928.03, 876,703.77 and 507,303.14 is: 699,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,928.03 : 876,703.77 = 507,303.14 : x
  2. Step 2: Convert to fraction form
    635,928.03/876,703.77 = 507,303.14/x
  3. Step 3: Cross multiply
    635,928.03x = 876,703.77 × 507,303.14
  4. Step 4: Simplify right side
    635,928.03x = 444,754,570,987.32
  5. Step 5: Solve for x
    x = 444,754,570,987.32/635,928.03
  6. Step 6: Final answer
    x = 699,378.78

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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.