Home / 674,492.40-1,011,738.60-623,170.80

Finding the Fourth Proportional to 674,492.40, 1,011,738.60 and 623,170.80

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Solution

The fourth proportional to 674,492.40, 1,011,738.60 and 623,170.80 is: 934,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,492.40 : 1,011,738.60 = 623,170.80 : x
  2. Step 2: Convert to fraction form
    674,492.40/1,011,738.60 = 623,170.80/x
  3. Step 3: Cross multiply
    674,492.40x = 1,011,738.60 × 623,170.80
  4. Step 4: Simplify right side
    674,492.40x = 630,485,952,752.88
  5. Step 5: Solve for x
    x = 630,485,952,752.88/674,492.40
  6. Step 6: Final answer
    x = 934,756.20

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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.