Home / 649,336.40-974,004.60-549,803.60

Finding the Fourth Proportional to 649,336.40, 974,004.60 and 549,803.60

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Solution

The fourth proportional to 649,336.40, 974,004.60 and 549,803.60 is: 824,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,336.40 : 974,004.60 = 549,803.60 : x
  2. Step 2: Convert to fraction form
    649,336.40/974,004.60 = 549,803.60/x
  3. Step 3: Cross multiply
    649,336.40x = 974,004.60 × 549,803.60
  4. Step 4: Simplify right side
    649,336.40x = 535,511,235,496.56
  5. Step 5: Solve for x
    x = 535,511,235,496.56/649,336.40
  6. Step 6: Final answer
    x = 824,705.40

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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.