Home / 971,208.20-1,457,232.60-521,404.40

Finding the Fourth Proportional to 971,208.20, 1,457,232.60 and 521,404.40

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Solution

The fourth proportional to 971,208.20, 1,457,232.60 and 521,404.40 is: 782,332.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,208.20 : 1,457,232.60 = 521,404.40 : x
  2. Step 2: Convert to fraction form
    971,208.20/1,457,232.60 = 521,404.40/x
  3. Step 3: Cross multiply
    971,208.20x = 1,457,232.60 × 521,404.40
  4. Step 4: Simplify right side
    971,208.20x = 759,807,489,463.44
  5. Step 5: Solve for x
    x = 759,807,489,463.44/971,208.20
  6. Step 6: Final answer
    x = 782,332.24

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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.