Home / 817,609.23-1,226,577.87-284,987.25

Finding the Fourth Proportional to 817,609.23, 1,226,577.87 and 284,987.25

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Solution

The fourth proportional to 817,609.23, 1,226,577.87 and 284,987.25 is: 427,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,609.23 : 1,226,577.87 = 284,987.25 : x
  2. Step 2: Convert to fraction form
    817,609.23/1,226,577.87 = 284,987.25/x
  3. Step 3: Cross multiply
    817,609.23x = 1,226,577.87 × 284,987.25
  4. Step 4: Simplify right side
    817,609.23x = 349,559,054,082.16
  5. Step 5: Solve for x
    x = 349,559,054,082.16/817,609.23
  6. Step 6: Final answer
    x = 427,538.05

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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.