Home / 692,748.05-1,039,421.43-372,525.64

Finding the Fourth Proportional to 692,748.05, 1,039,421.43 and 372,525.64

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Solution

The fourth proportional to 692,748.05, 1,039,421.43 and 372,525.64 is: 558,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,748.05 : 1,039,421.43 = 372,525.64 : x
  2. Step 2: Convert to fraction form
    692,748.05/1,039,421.43 = 372,525.64/x
  3. Step 3: Cross multiply
    692,748.05x = 1,039,421.43 × 372,525.64
  4. Step 4: Simplify right side
    692,748.05x = 387,211,133,440.47
  5. Step 5: Solve for x
    x = 387,211,133,440.47/692,748.05
  6. Step 6: Final answer
    x = 558,949.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.