Home / 676,607.80-1,014,911.30-631,767.46

Finding the Fourth Proportional to 676,607.80, 1,014,911.30 and 631,767.46

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Solution

The fourth proportional to 676,607.80, 1,014,911.30 and 631,767.46 is: 947,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,607.80 : 1,014,911.30 = 631,767.46 : x
  2. Step 2: Convert to fraction form
    676,607.80/1,014,911.30 = 631,767.46/x
  3. Step 3: Cross multiply
    676,607.80x = 1,014,911.30 × 631,767.46
  4. Step 4: Simplify right side
    676,607.80x = 641,187,934,126.30
  5. Step 5: Solve for x
    x = 641,187,934,126.30/676,607.80
  6. Step 6: Final answer
    x = 947,650.82

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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.