Home / 756,418.30-1,044,035.13-470,154.58

Finding the Fourth Proportional to 756,418.30, 1,044,035.13 and 470,154.58

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Solution

The fourth proportional to 756,418.30, 1,044,035.13 and 470,154.58 is: 648,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,418.30 : 1,044,035.13 = 470,154.58 : x
  2. Step 2: Convert to fraction form
    756,418.30/1,044,035.13 = 470,154.58/x
  3. Step 3: Cross multiply
    756,418.30x = 1,044,035.13 × 470,154.58
  4. Step 4: Simplify right side
    756,418.30x = 490,857,898,050.40
  5. Step 5: Solve for x
    x = 490,857,898,050.40/756,418.30
  6. Step 6: Final answer
    x = 648,923.88

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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.