Home / 877,525.60-1,316,288.40-718,093.30

Finding the Fourth Proportional to 877,525.60, 1,316,288.40 and 718,093.30

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Solution

The fourth proportional to 877,525.60, 1,316,288.40 and 718,093.30 is: 1,077,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,525.60 : 1,316,288.40 = 718,093.30 : x
  2. Step 2: Convert to fraction form
    877,525.60/1,316,288.40 = 718,093.30/x
  3. Step 3: Cross multiply
    877,525.60x = 1,316,288.40 × 718,093.30
  4. Step 4: Simplify right side
    877,525.60x = 945,217,880,907.72
  5. Step 5: Solve for x
    x = 945,217,880,907.72/877,525.60
  6. Step 6: Final answer
    x = 1,077,139.95

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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.