Home / 756,978.77-1,044,711.73-462,801.11

Finding the Fourth Proportional to 756,978.77, 1,044,711.73 and 462,801.11

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Solution

The fourth proportional to 756,978.77, 1,044,711.73 and 462,801.11 is: 638,715.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,978.77 : 1,044,711.73 = 462,801.11 : x
  2. Step 2: Convert to fraction form
    756,978.77/1,044,711.73 = 462,801.11/x
  3. Step 3: Cross multiply
    756,978.77x = 1,044,711.73 × 462,801.11
  4. Step 4: Simplify right side
    756,978.77x = 483,493,746,902.21
  5. Step 5: Solve for x
    x = 483,493,746,902.21/756,978.77
  6. Step 6: Final answer
    x = 638,715.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.