Home / 887,528.35-1,329,937.72-526,989.20

Finding the Fourth Proportional to 887,528.35, 1,329,937.72 and 526,989.20

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Solution

The fourth proportional to 887,528.35, 1,329,937.72 and 526,989.20 is: 789,679.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,528.35 : 1,329,937.72 = 526,989.20 : x
  2. Step 2: Convert to fraction form
    887,528.35/1,329,937.72 = 526,989.20/x
  3. Step 3: Cross multiply
    887,528.35x = 1,329,937.72 × 526,989.20
  4. Step 4: Simplify right side
    887,528.35x = 700,862,812,477.68
  5. Step 5: Solve for x
    x = 700,862,812,477.68/887,528.35
  6. Step 6: Final answer
    x = 789,679.35

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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.