Home / 757,592.34-1,045,656.36-435,489.30

Finding the Fourth Proportional to 757,592.34, 1,045,656.36 and 435,489.30

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Solution

The fourth proportional to 757,592.34, 1,045,656.36 and 435,489.30 is: 601,078.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,592.34 : 1,045,656.36 = 435,489.30 : x
  2. Step 2: Convert to fraction form
    757,592.34/1,045,656.36 = 435,489.30/x
  3. Step 3: Cross multiply
    757,592.34x = 1,045,656.36 × 435,489.30
  4. Step 4: Simplify right side
    757,592.34x = 455,372,156,256.95
  5. Step 5: Solve for x
    x = 455,372,156,256.95/757,592.34
  6. Step 6: Final answer
    x = 601,078.09

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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.