Home / 535,425.53-738,784.86-306,055.49

Finding the Fourth Proportional to 535,425.53, 738,784.86 and 306,055.49

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Solution

The fourth proportional to 535,425.53, 738,784.86 and 306,055.49 is: 422,298.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,425.53 : 738,784.86 = 306,055.49 : x
  2. Step 2: Convert to fraction form
    535,425.53/738,784.86 = 306,055.49/x
  3. Step 3: Cross multiply
    535,425.53x = 738,784.86 × 306,055.49
  4. Step 4: Simplify right side
    535,425.53x = 226,109,158,637.96
  5. Step 5: Solve for x
    x = 226,109,158,637.96/535,425.53
  6. Step 6: Final answer
    x = 422,298.06

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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.