Home / 971,182.85-1,457,193.92-521,378.47

Finding the Fourth Proportional to 971,182.85, 1,457,193.92 and 521,378.47

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Solution

The fourth proportional to 971,182.85, 1,457,193.92 and 521,378.47 is: 782,292.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,182.85 : 1,457,193.92 = 521,378.47 : x
  2. Step 2: Convert to fraction form
    971,182.85/1,457,193.92 = 521,378.47/x
  3. Step 3: Cross multiply
    971,182.85x = 1,457,193.92 × 521,378.47
  4. Step 4: Simplify right side
    971,182.85x = 759,749,535,717.50
  5. Step 5: Solve for x
    x = 759,749,535,717.50/971,182.85
  6. Step 6: Final answer
    x = 782,292.99

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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.