Home / 847,051.70-1,271,073.27-314,940.02

Finding the Fourth Proportional to 847,051.70, 1,271,073.27 and 314,940.02

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Solution

The fourth proportional to 847,051.70, 1,271,073.27 and 314,940.02 is: 472,594.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,051.70 : 1,271,073.27 = 314,940.02 : x
  2. Step 2: Convert to fraction form
    847,051.70/1,271,073.27 = 314,940.02/x
  3. Step 3: Cross multiply
    847,051.70x = 1,271,073.27 × 314,940.02
  4. Step 4: Simplify right side
    847,051.70x = 400,311,841,075.27
  5. Step 5: Solve for x
    x = 400,311,841,075.27/847,051.70
  6. Step 6: Final answer
    x = 472,594.34

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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.