Home / 670,925.42-1,006,606.83-315,975.32

Finding the Fourth Proportional to 670,925.42, 1,006,606.83 and 315,975.32

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Solution

The fourth proportional to 670,925.42, 1,006,606.83 and 315,975.32 is: 474,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,925.42 : 1,006,606.83 = 315,975.32 : x
  2. Step 2: Convert to fraction form
    670,925.42/1,006,606.83 = 315,975.32/x
  3. Step 3: Cross multiply
    670,925.42x = 1,006,606.83 × 315,975.32
  4. Step 4: Simplify right side
    670,925.42x = 318,062,915,223.44
  5. Step 5: Solve for x
    x = 318,062,915,223.44/670,925.42
  6. Step 6: Final answer
    x = 474,065.98

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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.