Home / 651,911.19-899,729.67-361,586.94

Finding the Fourth Proportional to 651,911.19, 899,729.67 and 361,586.94

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Solution

The fourth proportional to 651,911.19, 899,729.67 and 361,586.94 is: 499,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,911.19 : 899,729.67 = 361,586.94 : x
  2. Step 2: Convert to fraction form
    651,911.19/899,729.67 = 361,586.94/x
  3. Step 3: Cross multiply
    651,911.19x = 899,729.67 × 361,586.94
  4. Step 4: Simplify right side
    651,911.19x = 325,330,496,184.48
  5. Step 5: Solve for x
    x = 325,330,496,184.48/651,911.19
  6. Step 6: Final answer
    x = 499,041.13

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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.