Home / 753,401.31-1,130,095.08-303,803.79

Finding the Fourth Proportional to 753,401.31, 1,130,095.08 and 303,803.79

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Solution

The fourth proportional to 753,401.31, 1,130,095.08 and 303,803.79 is: 455,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,401.31 : 1,130,095.08 = 303,803.79 : x
  2. Step 2: Convert to fraction form
    753,401.31/1,130,095.08 = 303,803.79/x
  3. Step 3: Cross multiply
    753,401.31x = 1,130,095.08 × 303,803.79
  4. Step 4: Simplify right side
    753,401.31x = 343,327,168,364.35
  5. Step 5: Solve for x
    x = 343,327,168,364.35/753,401.31
  6. Step 6: Final answer
    x = 455,702.91

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Double scale
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Similar ratio
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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.