Home / 713,039.32-983,834.58-407,017.96

Finding the Fourth Proportional to 713,039.32, 983,834.58 and 407,017.96

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Solution

The fourth proportional to 713,039.32, 983,834.58 and 407,017.96 is: 561,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,039.32 : 983,834.58 = 407,017.96 : x
  2. Step 2: Convert to fraction form
    713,039.32/983,834.58 = 407,017.96/x
  3. Step 3: Cross multiply
    713,039.32x = 983,834.58 × 407,017.96
  4. Step 4: Simplify right side
    713,039.32x = 400,438,343,729.06
  5. Step 5: Solve for x
    x = 400,438,343,729.06/713,039.32
  6. Step 6: Final answer
    x = 561,593.64

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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.