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Finding the Fourth Proportional to 604,628.64, 834,362.51 and 328,987.63

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Solution

The fourth proportional to 604,628.64, 834,362.51 and 328,987.63 is: 453,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,628.64 : 834,362.51 = 328,987.63 : x
  2. Step 2: Convert to fraction form
    604,628.64/834,362.51 = 328,987.63/x
  3. Step 3: Cross multiply
    604,628.64x = 834,362.51 × 328,987.63
  4. Step 4: Simplify right side
    604,628.64x = 274,494,944,338.36
  5. Step 5: Solve for x
    x = 274,494,944,338.36/604,628.64
  6. Step 6: Final answer
    x = 453,989.32

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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.