Home / 753,397.94-1,130,090.02-303,800.42

Finding the Fourth Proportional to 753,397.94, 1,130,090.02 and 303,800.42

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Solution

The fourth proportional to 753,397.94, 1,130,090.02 and 303,800.42 is: 455,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,397.94 : 1,130,090.02 = 303,800.42 : x
  2. Step 2: Convert to fraction form
    753,397.94/1,130,090.02 = 303,800.42/x
  3. Step 3: Cross multiply
    753,397.94x = 1,130,090.02 × 303,800.42
  4. Step 4: Simplify right side
    753,397.94x = 343,321,824,779.53
  5. Step 5: Solve for x
    x = 343,321,824,779.53/753,397.94
  6. Step 6: Final answer
    x = 455,697.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.