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Finding the Fourth Proportional to 601,488.12, 830,053.56 and 329,566.32

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Solution

The fourth proportional to 601,488.12, 830,053.56 and 329,566.32 is: 454,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,488.12 : 830,053.56 = 329,566.32 : x
  2. Step 2: Convert to fraction form
    601,488.12/830,053.56 = 329,566.32/x
  3. Step 3: Cross multiply
    601,488.12x = 830,053.56 × 329,566.32
  4. Step 4: Simplify right side
    601,488.12x = 273,557,697,172.10
  5. Step 5: Solve for x
    x = 273,557,697,172.10/601,488.12
  6. Step 6: Final answer
    x = 454,801.50

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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.