Home / 851,419.47-1,174,987.22-507,208.35

Finding the Fourth Proportional to 851,419.47, 1,174,987.22 and 507,208.35

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Solution

The fourth proportional to 851,419.47, 1,174,987.22 and 507,208.35 is: 699,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,419.47 : 1,174,987.22 = 507,208.35 : x
  2. Step 2: Convert to fraction form
    851,419.47/1,174,987.22 = 507,208.35/x
  3. Step 3: Cross multiply
    851,419.47x = 1,174,987.22 × 507,208.35
  4. Step 4: Simplify right side
    851,419.47x = 595,963,326,591.25
  5. Step 5: Solve for x
    x = 595,963,326,591.25/851,419.47
  6. Step 6: Final answer
    x = 699,964.41

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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.