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Finding the Fourth Proportional to 601,555.64, 830,146.95 and 329,621.31

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Solution

The fourth proportional to 601,555.64, 830,146.95 and 329,621.31 is: 454,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,555.64 : 830,146.95 = 329,621.31 : x
  2. Step 2: Convert to fraction form
    601,555.64/830,146.95 = 329,621.31/x
  3. Step 3: Cross multiply
    601,555.64x = 830,146.95 × 329,621.31
  4. Step 4: Simplify right side
    601,555.64x = 273,634,125,151.51
  5. Step 5: Solve for x
    x = 273,634,125,151.51/601,555.64
  6. Step 6: Final answer
    x = 454,877.50

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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.