Home / 808,237.08-1,115,358.30-445,692.78

Finding the Fourth Proportional to 808,237.08, 1,115,358.30 and 445,692.78

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Solution

The fourth proportional to 808,237.08, 1,115,358.30 and 445,692.78 is: 615,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,237.08 : 1,115,358.30 = 445,692.78 : x
  2. Step 2: Convert to fraction form
    808,237.08/1,115,358.30 = 445,692.78/x
  3. Step 3: Cross multiply
    808,237.08x = 1,115,358.30 × 445,692.78
  4. Step 4: Simplify right side
    808,237.08x = 497,107,141,423.07
  5. Step 5: Solve for x
    x = 497,107,141,423.07/808,237.08
  6. Step 6: Final answer
    x = 615,051.14

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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.