Home / 946,218.69-1,418,802.91-314,787.81

Finding the Fourth Proportional to 946,218.69, 1,418,802.91 and 314,787.81

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Solution

The fourth proportional to 946,218.69, 1,418,802.91 and 314,787.81 is: 472,007.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,218.69 : 1,418,802.91 = 314,787.81 : x
  2. Step 2: Convert to fraction form
    946,218.69/1,418,802.91 = 314,787.81/x
  3. Step 3: Cross multiply
    946,218.69x = 1,418,802.91 × 314,787.81
  4. Step 4: Simplify right side
    946,218.69x = 446,621,860,860.53
  5. Step 5: Solve for x
    x = 446,621,860,860.53/946,218.69
  6. Step 6: Final answer
    x = 472,007.02

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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.