Home / 940,486.60-1,411,334.70-520,064.20

Finding the Fourth Proportional to 940,486.60, 1,411,334.70 and 520,064.20

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Solution

The fourth proportional to 940,486.60, 1,411,334.70 and 520,064.20 is: 780,430.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,486.60 : 1,411,334.70 = 520,064.20 : x
  2. Step 2: Convert to fraction form
    940,486.60/1,411,334.70 = 520,064.20/x
  3. Step 3: Cross multiply
    940,486.60x = 1,411,334.70 × 520,064.20
  4. Step 4: Simplify right side
    940,486.60x = 733,984,651,687.74
  5. Step 5: Solve for x
    x = 733,984,651,687.74/940,486.60
  6. Step 6: Final answer
    x = 780,430.74

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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.