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Finding the Fourth Proportional to 439,492.48, 657,993.48 and 289,281.04

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Solution

The fourth proportional to 439,492.48, 657,993.48 and 289,281.04 is: 433,101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,492.48 : 657,993.48 = 289,281.04 : x
  2. Step 2: Convert to fraction form
    439,492.48/657,993.48 = 289,281.04/x
  3. Step 3: Cross multiply
    439,492.48x = 657,993.48 × 289,281.04
  4. Step 4: Simplify right side
    439,492.48x = 190,345,038,207.62
  5. Step 5: Solve for x
    x = 190,345,038,207.62/439,492.48
  6. Step 6: Final answer
    x = 433,101.92

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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.