Home / 887,070.80-1,330,606.20-688,005.20

Finding the Fourth Proportional to 887,070.80, 1,330,606.20 and 688,005.20

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Solution

The fourth proportional to 887,070.80, 1,330,606.20 and 688,005.20 is: 1,032,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,070.80 : 1,330,606.20 = 688,005.20 : x
  2. Step 2: Convert to fraction form
    887,070.80/1,330,606.20 = 688,005.20/x
  3. Step 3: Cross multiply
    887,070.80x = 1,330,606.20 × 688,005.20
  4. Step 4: Simplify right side
    887,070.80x = 915,463,984,752.24
  5. Step 5: Solve for x
    x = 915,463,984,752.24/887,070.80
  6. Step 6: Final answer
    x = 1,032,007.80

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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.