Home / 716,426.86-988,810.39-410,708.53

Finding the Fourth Proportional to 716,426.86, 988,810.39 and 410,708.53

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Solution

The fourth proportional to 716,426.86, 988,810.39 and 410,708.53 is: 566,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,426.86 : 988,810.39 = 410,708.53 : x
  2. Step 2: Convert to fraction form
    716,426.86/988,810.39 = 410,708.53/x
  3. Step 3: Cross multiply
    716,426.86x = 988,810.39 × 410,708.53
  4. Step 4: Simplify right side
    716,426.86x = 406,112,861,725.63
  5. Step 5: Solve for x
    x = 406,112,861,725.63/716,426.86
  6. Step 6: Final answer
    x = 566,858.79

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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.