Home / 869,006.40-1,303,606.80-269,962.80

Finding the Fourth Proportional to 869,006.40, 1,303,606.80 and 269,962.80

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Solution

The fourth proportional to 869,006.40, 1,303,606.80 and 269,962.80 is: 404,974.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,006.40 : 1,303,606.80 = 269,962.80 : x
  2. Step 2: Convert to fraction form
    869,006.40/1,303,606.80 = 269,962.80/x
  3. Step 3: Cross multiply
    869,006.40x = 1,303,606.80 × 269,962.80
  4. Step 4: Simplify right side
    869,006.40x = 351,925,341,827.04
  5. Step 5: Solve for x
    x = 351,925,341,827.04/869,006.40
  6. Step 6: Final answer
    x = 404,974.40

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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.