Home / 479,470.16-719,218.20-124,476.32

Finding the Fourth Proportional to 479,470.16, 719,218.20 and 124,476.32

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Solution

The fourth proportional to 479,470.16, 719,218.20 and 124,476.32 is: 186,717.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,470.16 : 719,218.20 = 124,476.32 : x
  2. Step 2: Convert to fraction form
    479,470.16/719,218.20 = 124,476.32/x
  3. Step 3: Cross multiply
    479,470.16x = 719,218.20 × 124,476.32
  4. Step 4: Simplify right side
    479,470.16x = 89,525,634,813.02
  5. Step 5: Solve for x
    x = 89,525,634,813.02/479,470.16
  6. Step 6: Final answer
    x = 186,717.84

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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.