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Finding the Fourth Proportional to 601,800.36, 830,446.20 and 329,820.20

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Solution

The fourth proportional to 601,800.36, 830,446.20 and 329,820.20 is: 455,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,800.36 : 830,446.20 = 329,820.20 : x
  2. Step 2: Convert to fraction form
    601,800.36/830,446.20 = 329,820.20/x
  3. Step 3: Cross multiply
    601,800.36x = 830,446.20 × 329,820.20
  4. Step 4: Simplify right side
    601,800.36x = 273,897,931,773.24
  5. Step 5: Solve for x
    x = 273,897,931,773.24/601,800.36
  6. Step 6: Final answer
    x = 455,130.89

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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.