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Finding the Fourth Proportional to 524,150.40, 786,225.60 and 489,158.40

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Solution

The fourth proportional to 524,150.40, 786,225.60 and 489,158.40 is: 733,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,150.40 : 786,225.60 = 489,158.40 : x
  2. Step 2: Convert to fraction form
    524,150.40/786,225.60 = 489,158.40/x
  3. Step 3: Cross multiply
    524,150.40x = 786,225.60 × 489,158.40
  4. Step 4: Simplify right side
    524,150.40x = 384,588,856,535.04
  5. Step 5: Solve for x
    x = 384,588,856,535.04/524,150.40
  6. Step 6: Final answer
    x = 733,737.60

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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.