Home / 814,206.62-1,123,583.46-470,030.92

Finding the Fourth Proportional to 814,206.62, 1,123,583.46 and 470,030.92

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Solution

The fourth proportional to 814,206.62, 1,123,583.46 and 470,030.92 is: 648,630.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,206.62 : 1,123,583.46 = 470,030.92 : x
  2. Step 2: Convert to fraction form
    814,206.62/1,123,583.46 = 470,030.92/x
  3. Step 3: Cross multiply
    814,206.62x = 1,123,583.46 × 470,030.92
  4. Step 4: Simplify right side
    814,206.62x = 528,118,967,400.58
  5. Step 5: Solve for x
    x = 528,118,967,400.58/814,206.62
  6. Step 6: Final answer
    x = 648,630.16

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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.