Home / 887,059.40-1,330,261.05-288,040.10

Finding the Fourth Proportional to 887,059.40, 1,330,261.05 and 288,040.10

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Solution

The fourth proportional to 887,059.40, 1,330,261.05 and 288,040.10 is: 431,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,059.40 : 1,330,261.05 = 288,040.10 : x
  2. Step 2: Convert to fraction form
    887,059.40/1,330,261.05 = 288,040.10/x
  3. Step 3: Cross multiply
    887,059.40x = 1,330,261.05 × 288,040.10
  4. Step 4: Simplify right side
    887,059.40x = 383,168,525,868.11
  5. Step 5: Solve for x
    x = 383,168,525,868.11/887,059.40
  6. Step 6: Final answer
    x = 431,953.63

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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.