Home / 877,675.70-1,316,513.55-809,246.90

Finding the Fourth Proportional to 877,675.70, 1,316,513.55 and 809,246.90

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Solution

The fourth proportional to 877,675.70, 1,316,513.55 and 809,246.90 is: 1,213,870.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,675.70 : 1,316,513.55 = 809,246.90 : x
  2. Step 2: Convert to fraction form
    877,675.70/1,316,513.55 = 809,246.90/x
  3. Step 3: Cross multiply
    877,675.70x = 1,316,513.55 × 809,246.90
  4. Step 4: Simplify right side
    877,675.70x = 1,065,384,509,145.50
  5. Step 5: Solve for x
    x = 1,065,384,509,145.50/877,675.70
  6. Step 6: Final answer
    x = 1,213,870.35

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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.