Home / 753,400.89-1,130,094.45-303,803.37

Finding the Fourth Proportional to 753,400.89, 1,130,094.45 and 303,803.37

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Solution

The fourth proportional to 753,400.89, 1,130,094.45 and 303,803.37 is: 455,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,400.89 : 1,130,094.45 = 303,803.37 : x
  2. Step 2: Convert to fraction form
    753,400.89/1,130,094.45 = 303,803.37/x
  3. Step 3: Cross multiply
    753,400.89x = 1,130,094.45 × 303,803.37
  4. Step 4: Simplify right side
    753,400.89x = 343,326,502,328.30
  5. Step 5: Solve for x
    x = 343,326,502,328.30/753,400.89
  6. Step 6: Final answer
    x = 455,702.28

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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.