Home / 857,808.02-1,284,683.09-744,874.38

Finding the Fourth Proportional to 857,808.02, 1,284,683.09 and 744,874.38

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Solution

The fourth proportional to 857,808.02, 1,284,683.09 and 744,874.38 is: 1,115,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,808.02 : 1,284,683.09 = 744,874.38 : x
  2. Step 2: Convert to fraction form
    857,808.02/1,284,683.09 = 744,874.38/x
  3. Step 3: Cross multiply
    857,808.02x = 1,284,683.09 × 744,874.38
  4. Step 4: Simplify right side
    857,808.02x = 956,927,516,435.86
  5. Step 5: Solve for x
    x = 956,927,516,435.86/857,808.02
  6. Step 6: Final answer
    x = 1,115,549.74

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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.