Home / 807,313.23-1,211,188.47-301,925.55

Finding the Fourth Proportional to 807,313.23, 1,211,188.47 and 301,925.55

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Solution

The fourth proportional to 807,313.23, 1,211,188.47 and 301,925.55 is: 452,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,313.23 : 1,211,188.47 = 301,925.55 : x
  2. Step 2: Convert to fraction form
    807,313.23/1,211,188.47 = 301,925.55/x
  3. Step 3: Cross multiply
    807,313.23x = 1,211,188.47 × 301,925.55
  4. Step 4: Simplify right side
    807,313.23x = 365,688,744,958.41
  5. Step 5: Solve for x
    x = 365,688,744,958.41/807,313.23
  6. Step 6: Final answer
    x = 452,970.09

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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.