Home / 670,493.60-1,006,906.80-355,565.60

Finding the Fourth Proportional to 670,493.60, 1,006,906.80 and 355,565.60

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Solution

The fourth proportional to 670,493.60, 1,006,906.80 and 355,565.60 is: 533,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,493.60 : 1,006,906.80 = 355,565.60 : x
  2. Step 2: Convert to fraction form
    670,493.60/1,006,906.80 = 355,565.60/x
  3. Step 3: Cross multiply
    670,493.60x = 1,006,906.80 × 355,565.60
  4. Step 4: Simplify right side
    670,493.60x = 358,021,420,486.08
  5. Step 5: Solve for x
    x = 358,021,420,486.08/670,493.60
  6. Step 6: Final answer
    x = 533,966.95

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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.