Home / 887,068.80-1,330,603.20-688,003.20

Finding the Fourth Proportional to 887,068.80, 1,330,603.20 and 688,003.20

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Solution

The fourth proportional to 887,068.80, 1,330,603.20 and 688,003.20 is: 1,032,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,068.80 : 1,330,603.20 = 688,003.20 : x
  2. Step 2: Convert to fraction form
    887,068.80/1,330,603.20 = 688,003.20/x
  3. Step 3: Cross multiply
    887,068.80x = 1,330,603.20 × 688,003.20
  4. Step 4: Simplify right side
    887,068.80x = 915,459,259,530.24
  5. Step 5: Solve for x
    x = 915,459,259,530.24/887,068.80
  6. Step 6: Final answer
    x = 1,032,004.80

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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.