Home / 670,463.84-1,005,693.12-271,099.76

Finding the Fourth Proportional to 670,463.84, 1,005,693.12 and 271,099.76

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Solution

The fourth proportional to 670,463.84, 1,005,693.12 and 271,099.76 is: 406,648.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,463.84 : 1,005,693.12 = 271,099.76 : x
  2. Step 2: Convert to fraction form
    670,463.84/1,005,693.12 = 271,099.76/x
  3. Step 3: Cross multiply
    670,463.84x = 1,005,693.12 × 271,099.76
  4. Step 4: Simplify right side
    670,463.84x = 272,643,163,465.65
  5. Step 5: Solve for x
    x = 272,643,163,465.65/670,463.84
  6. Step 6: Final answer
    x = 406,648.57

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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.