Home / 676,434.34-1,014,807-203,128.66

Finding the Fourth Proportional to 676,434.34, 1,014,807 and 203,128.66

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Solution

The fourth proportional to 676,434.34, 1,014,807 and 203,128.66 is: 304,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,434.34 : 1,014,807 = 203,128.66 : x
  2. Step 2: Convert to fraction form
    676,434.34/1,014,807 = 203,128.66/x
  3. Step 3: Cross multiply
    676,434.34x = 1,014,807 × 203,128.66
  4. Step 4: Simplify right side
    676,434.34x = 206,136,386,068.62
  5. Step 5: Solve for x
    x = 206,136,386,068.62/676,434.34
  6. Step 6: Final answer
    x = 304,739.68

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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.