Home / 676,809.63-1,014,910.90-403,384.95

Finding the Fourth Proportional to 676,809.63, 1,014,910.90 and 403,384.95

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Solution

The fourth proportional to 676,809.63, 1,014,910.90 and 403,384.95 is: 604,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,809.63 : 1,014,910.90 = 403,384.95 : x
  2. Step 2: Convert to fraction form
    676,809.63/1,014,910.90 = 403,384.95/x
  3. Step 3: Cross multiply
    676,809.63x = 1,014,910.90 × 403,384.95
  4. Step 4: Simplify right side
    676,809.63x = 409,399,781,642.49
  5. Step 5: Solve for x
    x = 409,399,781,642.49/676,809.63
  6. Step 6: Final answer
    x = 604,896.51

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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.