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Finding the Fourth Proportional to 601,974.63, 830,733.09 and 330,041.88

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Solution

The fourth proportional to 601,974.63, 830,733.09 and 330,041.88 is: 455,462.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,974.63 : 830,733.09 = 330,041.88 : x
  2. Step 2: Convert to fraction form
    601,974.63/830,733.09 = 330,041.88/x
  3. Step 3: Cross multiply
    601,974.63x = 830,733.09 × 330,041.88
  4. Step 4: Simplify right side
    601,974.63x = 274,176,710,801.81
  5. Step 5: Solve for x
    x = 274,176,710,801.81/601,974.63
  6. Step 6: Final answer
    x = 455,462.24

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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.