Home / 977,164.90-1,465,747.35-809,203.30

Finding the Fourth Proportional to 977,164.90, 1,465,747.35 and 809,203.30

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Solution

The fourth proportional to 977,164.90, 1,465,747.35 and 809,203.30 is: 1,213,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,164.90 : 1,465,747.35 = 809,203.30 : x
  2. Step 2: Convert to fraction form
    977,164.90/1,465,747.35 = 809,203.30/x
  3. Step 3: Cross multiply
    977,164.90x = 1,465,747.35 × 809,203.30
  4. Step 4: Simplify right side
    977,164.90x = 1,186,087,592,586.26
  5. Step 5: Solve for x
    x = 1,186,087,592,586.26/977,164.90
  6. Step 6: Final answer
    x = 1,213,804.95

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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.