Home / 887,068.30-1,330,602.45-688,002.70

Finding the Fourth Proportional to 887,068.30, 1,330,602.45 and 688,002.70

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Solution

The fourth proportional to 887,068.30, 1,330,602.45 and 688,002.70 is: 1,032,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,068.30 : 1,330,602.45 = 688,002.70 : x
  2. Step 2: Convert to fraction form
    887,068.30/1,330,602.45 = 688,002.70/x
  3. Step 3: Cross multiply
    887,068.30x = 1,330,602.45 × 688,002.70
  4. Step 4: Simplify right side
    887,068.30x = 915,458,078,226.62
  5. Step 5: Solve for x
    x = 915,458,078,226.62/887,068.30
  6. Step 6: Final answer
    x = 1,032,004.05

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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.