Home / 670,497.60-1,006,912.80-355,569.60

Finding the Fourth Proportional to 670,497.60, 1,006,912.80 and 355,569.60

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Solution

The fourth proportional to 670,497.60, 1,006,912.80 and 355,569.60 is: 533,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,497.60 : 1,006,912.80 = 355,569.60 : x
  2. Step 2: Convert to fraction form
    670,497.60/1,006,912.80 = 355,569.60/x
  3. Step 3: Cross multiply
    670,497.60x = 1,006,912.80 × 355,569.60
  4. Step 4: Simplify right side
    670,497.60x = 358,027,581,530.88
  5. Step 5: Solve for x
    x = 358,027,581,530.88/670,497.60
  6. Step 6: Final answer
    x = 533,972.95

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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.