Home / 670,442.10-1,006,829.55-355,514.10

Finding the Fourth Proportional to 670,442.10, 1,006,829.55 and 355,514.10

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Solution

The fourth proportional to 670,442.10, 1,006,829.55 and 355,514.10 is: 533,889.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,442.10 : 1,006,829.55 = 355,514.10 : x
  2. Step 2: Convert to fraction form
    670,442.10/1,006,829.55 = 355,514.10/x
  3. Step 3: Cross multiply
    670,442.10x = 1,006,829.55 × 355,514.10
  4. Step 4: Simplify right side
    670,442.10x = 357,942,101,321.66
  5. Step 5: Solve for x
    x = 357,942,101,321.66/670,442.10
  6. Step 6: Final answer
    x = 533,889.65

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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.