Home / 940,492.60-1,411,343.70-520,070.20

Finding the Fourth Proportional to 940,492.60, 1,411,343.70 and 520,070.20

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Solution

The fourth proportional to 940,492.60, 1,411,343.70 and 520,070.20 is: 780,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,492.60 : 1,411,343.70 = 520,070.20 : x
  2. Step 2: Convert to fraction form
    940,492.60/1,411,343.70 = 520,070.20/x
  3. Step 3: Cross multiply
    940,492.60x = 1,411,343.70 × 520,070.20
  4. Step 4: Simplify right side
    940,492.60x = 733,997,800,327.74
  5. Step 5: Solve for x
    x = 733,997,800,327.74/940,492.60
  6. Step 6: Final answer
    x = 780,439.74

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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.