Home / 808,313.55-1,115,480.52-445,750.26

Finding the Fourth Proportional to 808,313.55, 1,115,480.52 and 445,750.26

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Solution

The fourth proportional to 808,313.55, 1,115,480.52 and 445,750.26 is: 615,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,313.55 : 1,115,480.52 = 445,750.26 : x
  2. Step 2: Convert to fraction form
    808,313.55/1,115,480.52 = 445,750.26/x
  3. Step 3: Cross multiply
    808,313.55x = 1,115,480.52 × 445,750.26
  4. Step 4: Simplify right side
    808,313.55x = 497,225,731,814.94
  5. Step 5: Solve for x
    x = 497,225,731,814.94/808,313.55
  6. Step 6: Final answer
    x = 615,139.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.