Home / 847,677.33-1,271,318.90-315,449.01

Finding the Fourth Proportional to 847,677.33, 1,271,318.90 and 315,449.01

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Solution

The fourth proportional to 847,677.33, 1,271,318.90 and 315,449.01 is: 473,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,677.33 : 1,271,318.90 = 315,449.01 : x
  2. Step 2: Convert to fraction form
    847,677.33/1,271,318.90 = 315,449.01/x
  3. Step 3: Cross multiply
    847,677.33x = 1,271,318.90 × 315,449.01
  4. Step 4: Simplify right side
    847,677.33x = 401,036,286,822.04
  5. Step 5: Solve for x
    x = 401,036,286,822.04/847,677.33
  6. Step 6: Final answer
    x = 473,100.17

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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.