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Finding the Fourth Proportional to 601.98, 828.75 and 503.58

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Solution

The fourth proportional to 601.98, 828.75 and 503.58 is: 693.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    601.98 : 828.75 = 503.58 : x
  2. Step 2: Convert to fraction form
    601.98/828.75 = 503.58/x
  3. Step 3: Cross multiply
    601.98x = 828.75 × 503.58
  4. Step 4: Simplify right side
    601.98x = 417,341.93
  5. Step 5: Solve for x
    x = 417,341.93/601.98
  6. Step 6: Final answer
    x = 693.28

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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.