Home / 887,069.30-1,330,603.95-688,003.70

Finding the Fourth Proportional to 887,069.30, 1,330,603.95 and 688,003.70

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Solution

The fourth proportional to 887,069.30, 1,330,603.95 and 688,003.70 is: 1,032,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,069.30 : 1,330,603.95 = 688,003.70 : x
  2. Step 2: Convert to fraction form
    887,069.30/1,330,603.95 = 688,003.70/x
  3. Step 3: Cross multiply
    887,069.30x = 1,330,603.95 × 688,003.70
  4. Step 4: Simplify right side
    887,069.30x = 915,460,440,834.62
  5. Step 5: Solve for x
    x = 915,460,440,834.62/887,069.30
  6. Step 6: Final answer
    x = 1,032,005.55

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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.