Home / 740,060.34-1,021,286.26-400,528.50

Finding the Fourth Proportional to 740,060.34, 1,021,286.26 and 400,528.50

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Solution

The fourth proportional to 740,060.34, 1,021,286.26 and 400,528.50 is: 552,730.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,060.34 : 1,021,286.26 = 400,528.50 : x
  2. Step 2: Convert to fraction form
    740,060.34/1,021,286.26 = 400,528.50/x
  3. Step 3: Cross multiply
    740,060.34x = 1,021,286.26 × 400,528.50
  4. Step 4: Simplify right side
    740,060.34x = 409,054,253,788.41
  5. Step 5: Solve for x
    x = 409,054,253,788.41/740,060.34
  6. Step 6: Final answer
    x = 552,730.95

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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.