Home / 651,615.48-899,214.75-379,666.35

Finding the Fourth Proportional to 651,615.48, 899,214.75 and 379,666.35

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Solution

The fourth proportional to 651,615.48, 899,214.75 and 379,666.35 is: 523,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,615.48 : 899,214.75 = 379,666.35 : x
  2. Step 2: Convert to fraction form
    651,615.48/899,214.75 = 379,666.35/x
  3. Step 3: Cross multiply
    651,615.48x = 899,214.75 × 379,666.35
  4. Step 4: Simplify right side
    651,615.48x = 341,401,581,998.66
  5. Step 5: Solve for x
    x = 341,401,581,998.66/651,615.48
  6. Step 6: Final answer
    x = 523,931.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.