Home / 480,314.36-719,881-269,509.40

Finding the Fourth Proportional to 480,314.36, 719,881 and 269,509.40

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Solution

The fourth proportional to 480,314.36, 719,881 and 269,509.40 is: 403,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,314.36 : 719,881 = 269,509.40 : x
  2. Step 2: Convert to fraction form
    480,314.36/719,881 = 269,509.40/x
  3. Step 3: Cross multiply
    480,314.36x = 719,881 × 269,509.40
  4. Step 4: Simplify right side
    480,314.36x = 194,014,696,381.40
  5. Step 5: Solve for x
    x = 194,014,696,381.40/480,314.36
  6. Step 6: Final answer
    x = 403,932.74

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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.