Home / 702,915.30-1,054,385.88-253,669.86

Finding the Fourth Proportional to 702,915.30, 1,054,385.88 and 253,669.86

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Solution

The fourth proportional to 702,915.30, 1,054,385.88 and 253,669.86 is: 380,509.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,915.30 : 1,054,385.88 = 253,669.86 : x
  2. Step 2: Convert to fraction form
    702,915.30/1,054,385.88 = 253,669.86/x
  3. Step 3: Cross multiply
    702,915.30x = 1,054,385.88 × 253,669.86
  4. Step 4: Simplify right side
    702,915.30x = 267,465,918,565.58
  5. Step 5: Solve for x
    x = 267,465,918,565.58/702,915.30
  6. Step 6: Final answer
    x = 380,509.46

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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.