Home / 977,136.90-1,465,705.35-809,175.30

Finding the Fourth Proportional to 977,136.90, 1,465,705.35 and 809,175.30

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Solution

The fourth proportional to 977,136.90, 1,465,705.35 and 809,175.30 is: 1,213,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,136.90 : 1,465,705.35 = 809,175.30 : x
  2. Step 2: Convert to fraction form
    977,136.90/1,465,705.35 = 809,175.30/x
  3. Step 3: Cross multiply
    977,136.90x = 1,465,705.35 × 809,175.30
  4. Step 4: Simplify right side
    977,136.90x = 1,186,012,566,297.86
  5. Step 5: Solve for x
    x = 1,186,012,566,297.86/977,136.90
  6. Step 6: Final answer
    x = 1,213,762.95

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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.