Home / 888,710.54-1,333,204.05-289,532.21

Finding the Fourth Proportional to 888,710.54, 1,333,204.05 and 289,532.21

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Solution

The fourth proportional to 888,710.54, 1,333,204.05 and 289,532.21 is: 434,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,710.54 : 1,333,204.05 = 289,532.21 : x
  2. Step 2: Convert to fraction form
    888,710.54/1,333,204.05 = 289,532.21/x
  3. Step 3: Cross multiply
    888,710.54x = 1,333,204.05 × 289,532.21
  4. Step 4: Simplify right side
    888,710.54x = 386,005,514,977.45
  5. Step 5: Solve for x
    x = 386,005,514,977.45/888,710.54
  6. Step 6: Final answer
    x = 434,343.35

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1.5x scale

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.