Home / 526,247.21-788,025.81-289,329.50

Finding the Fourth Proportional to 526,247.21, 788,025.81 and 289,329.50

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Solution

The fourth proportional to 526,247.21, 788,025.81 and 289,329.50 is: 433,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,247.21 : 788,025.81 = 289,329.50 : x
  2. Step 2: Convert to fraction form
    526,247.21/788,025.81 = 289,329.50/x
  3. Step 3: Cross multiply
    526,247.21x = 788,025.81 × 289,329.50
  4. Step 4: Simplify right side
    526,247.21x = 227,999,116,649.45
  5. Step 5: Solve for x
    x = 227,999,116,649.45/526,247.21
  6. Step 6: Final answer
    x = 433,254.77

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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.