Home / 648,624.80-971,045.54-377,926.65

Finding the Fourth Proportional to 648,624.80, 971,045.54 and 377,926.65

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Solution

The fourth proportional to 648,624.80, 971,045.54 and 377,926.65 is: 565,787.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,624.80 : 971,045.54 = 377,926.65 : x
  2. Step 2: Convert to fraction form
    648,624.80/971,045.54 = 377,926.65/x
  3. Step 3: Cross multiply
    648,624.80x = 971,045.54 × 377,926.65
  4. Step 4: Simplify right side
    648,624.80x = 366,983,986,040.01
  5. Step 5: Solve for x
    x = 366,983,986,040.01/648,624.80
  6. Step 6: Final answer
    x = 565,787.78

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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.