Home / 814,271.69-1,123,526.65-470,101.65

Finding the Fourth Proportional to 814,271.69, 1,123,526.65 and 470,101.65

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Solution

The fourth proportional to 814,271.69, 1,123,526.65 and 470,101.65 is: 648,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,271.69 : 1,123,526.65 = 470,101.65 : x
  2. Step 2: Convert to fraction form
    814,271.69/1,123,526.65 = 470,101.65/x
  3. Step 3: Cross multiply
    814,271.69x = 1,123,526.65 × 470,101.65
  4. Step 4: Simplify right side
    814,271.69x = 528,171,731,983.97
  5. Step 5: Solve for x
    x = 528,171,731,983.97/814,271.69
  6. Step 6: Final answer
    x = 648,643.12

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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.