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Finding the Fourth Proportional to 536,627.60, 804,941.40 and 402,783.20

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Solution

The fourth proportional to 536,627.60, 804,941.40 and 402,783.20 is: 604,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,627.60 : 804,941.40 = 402,783.20 : x
  2. Step 2: Convert to fraction form
    536,627.60/804,941.40 = 402,783.20/x
  3. Step 3: Cross multiply
    536,627.60x = 804,941.40 × 402,783.20
  4. Step 4: Simplify right side
    536,627.60x = 324,216,872,904.48
  5. Step 5: Solve for x
    x = 324,216,872,904.48/536,627.60
  6. Step 6: Final answer
    x = 604,174.80

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Similar ratio
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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.