Home / 698,729.40-1,047,834.90-277,918.20

Finding the Fourth Proportional to 698,729.40, 1,047,834.90 and 277,918.20

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Solution

The fourth proportional to 698,729.40, 1,047,834.90 and 277,918.20 is: 416,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,729.40 : 1,047,834.90 = 277,918.20 : x
  2. Step 2: Convert to fraction form
    698,729.40/1,047,834.90 = 277,918.20/x
  3. Step 3: Cross multiply
    698,729.40x = 1,047,834.90 × 277,918.20
  4. Step 4: Simplify right side
    698,729.40x = 291,212,389,305.18
  5. Step 5: Solve for x
    x = 291,212,389,305.18/698,729.40
  6. Step 6: Final answer
    x = 416,774.20

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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.