Home / 689,752.28-1,034,326.80-347,985.43

Finding the Fourth Proportional to 689,752.28, 1,034,326.80 and 347,985.43

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Solution

The fourth proportional to 689,752.28, 1,034,326.80 and 347,985.43 is: 521,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,752.28 : 1,034,326.80 = 347,985.43 : x
  2. Step 2: Convert to fraction form
    689,752.28/1,034,326.80 = 347,985.43/x
  3. Step 3: Cross multiply
    689,752.28x = 1,034,326.80 × 347,985.43
  4. Step 4: Simplify right side
    689,752.28x = 359,930,658,756.76
  5. Step 5: Solve for x
    x = 359,930,658,756.76/689,752.28
  6. Step 6: Final answer
    x = 521,825.98

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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.