Home / 689,828.52-1,034,700.11-257,461.82

Finding the Fourth Proportional to 689,828.52, 1,034,700.11 and 257,461.82

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Solution

The fourth proportional to 689,828.52, 1,034,700.11 and 257,461.82 is: 386,176.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,828.52 : 1,034,700.11 = 257,461.82 : x
  2. Step 2: Convert to fraction form
    689,828.52/1,034,700.11 = 257,461.82/x
  3. Step 3: Cross multiply
    689,828.52x = 1,034,700.11 × 257,461.82
  4. Step 4: Simplify right side
    689,828.52x = 266,395,771,859.60
  5. Step 5: Solve for x
    x = 266,395,771,859.60/689,828.52
  6. Step 6: Final answer
    x = 386,176.80

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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.