Home / 977,268.70-1,465,903.05-809,307.10

Finding the Fourth Proportional to 977,268.70, 1,465,903.05 and 809,307.10

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Solution

The fourth proportional to 977,268.70, 1,465,903.05 and 809,307.10 is: 1,213,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,268.70 : 1,465,903.05 = 809,307.10 : x
  2. Step 2: Convert to fraction form
    977,268.70/1,465,903.05 = 809,307.10/x
  3. Step 3: Cross multiply
    977,268.70x = 1,465,903.05 × 809,307.10
  4. Step 4: Simplify right side
    977,268.70x = 1,186,365,746,276.66
  5. Step 5: Solve for x
    x = 1,186,365,746,276.66/977,268.70
  6. Step 6: Final answer
    x = 1,213,960.65

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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.