Home / 971,448.60-1,457,295.12-521,551.20

Finding the Fourth Proportional to 971,448.60, 1,457,295.12 and 521,551.20

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Solution

The fourth proportional to 971,448.60, 1,457,295.12 and 521,551.20 is: 782,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,448.60 : 1,457,295.12 = 521,551.20 : x
  2. Step 2: Convert to fraction form
    971,448.60/1,457,295.12 = 521,551.20/x
  3. Step 3: Cross multiply
    971,448.60x = 1,457,295.12 × 521,551.20
  4. Step 4: Simplify right side
    971,448.60x = 760,054,018,590.14
  5. Step 5: Solve for x
    x = 760,054,018,590.14/971,448.60
  6. Step 6: Final answer
    x = 782,392.42

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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.