Home / 856,598.40-1,284,897.60-458,467.20

Finding the Fourth Proportional to 856,598.40, 1,284,897.60 and 458,467.20

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Solution

The fourth proportional to 856,598.40, 1,284,897.60 and 458,467.20 is: 687,700.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,598.40 : 1,284,897.60 = 458,467.20 : x
  2. Step 2: Convert to fraction form
    856,598.40/1,284,897.60 = 458,467.20/x
  3. Step 3: Cross multiply
    856,598.40x = 1,284,897.60 × 458,467.20
  4. Step 4: Simplify right side
    856,598.40x = 589,083,404,958.72
  5. Step 5: Solve for x
    x = 589,083,404,958.72/856,598.40
  6. Step 6: Final answer
    x = 687,700.80

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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.