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Finding the Fourth Proportional to 535,509.60, 804,576.60 and 402,649.35

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Solution

The fourth proportional to 535,509.60, 804,576.60 and 402,649.35 is: 604,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,509.60 : 804,576.60 = 402,649.35 : x
  2. Step 2: Convert to fraction form
    535,509.60/804,576.60 = 402,649.35/x
  3. Step 3: Cross multiply
    535,509.60x = 804,576.60 × 402,649.35
  4. Step 4: Simplify right side
    535,509.60x = 323,962,245,015.21
  5. Step 5: Solve for x
    x = 323,962,245,015.21/535,509.60
  6. Step 6: Final answer
    x = 604,960.67

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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.