Home / 887,438.16-1,224,523.08-505,472.40

Finding the Fourth Proportional to 887,438.16, 1,224,523.08 and 505,472.40

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Solution

The fourth proportional to 887,438.16, 1,224,523.08 and 505,472.40 is: 697,471.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,438.16 : 1,224,523.08 = 505,472.40 : x
  2. Step 2: Convert to fraction form
    887,438.16/1,224,523.08 = 505,472.40/x
  3. Step 3: Cross multiply
    887,438.16x = 1,224,523.08 × 505,472.40
  4. Step 4: Simplify right side
    887,438.16x = 618,962,620,102.99
  5. Step 5: Solve for x
    x = 618,962,620,102.99/887,438.16
  6. Step 6: Final answer
    x = 697,471.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.