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Finding the Fourth Proportional to 506,328.40, 759,492.60 and 498,455.20

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Solution

The fourth proportional to 506,328.40, 759,492.60 and 498,455.20 is: 747,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,328.40 : 759,492.60 = 498,455.20 : x
  2. Step 2: Convert to fraction form
    506,328.40/759,492.60 = 498,455.20/x
  3. Step 3: Cross multiply
    506,328.40x = 759,492.60 × 498,455.20
  4. Step 4: Simplify right side
    506,328.40x = 378,573,035,831.52
  5. Step 5: Solve for x
    x = 378,573,035,831.52/506,328.40
  6. Step 6: Final answer
    x = 747,682.80

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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.