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Finding the Fourth Proportional to 617,492.96, 924,744.52 and 427,420.76

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Solution

The fourth proportional to 617,492.96, 924,744.52 and 427,420.76 is: 640,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,492.96 : 924,744.52 = 427,420.76 : x
  2. Step 2: Convert to fraction form
    617,492.96/924,744.52 = 427,420.76/x
  3. Step 3: Cross multiply
    617,492.96x = 924,744.52 × 427,420.76
  4. Step 4: Simplify right side
    617,492.96x = 395,255,005,544.24
  5. Step 5: Solve for x
    x = 395,255,005,544.24/617,492.96
  6. Step 6: Final answer
    x = 640,096.38

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1.5x scale

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.