Home / 712,764.32-983,614.68-426,284.36

Finding the Fourth Proportional to 712,764.32, 983,614.68 and 426,284.36

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Solution

The fourth proportional to 712,764.32, 983,614.68 and 426,284.36 is: 588,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,764.32 : 983,614.68 = 426,284.36 : x
  2. Step 2: Convert to fraction form
    712,764.32/983,614.68 = 426,284.36/x
  3. Step 3: Cross multiply
    712,764.32x = 983,614.68 × 426,284.36
  4. Step 4: Simplify right side
    712,764.32x = 419,299,554,350.41
  5. Step 5: Solve for x
    x = 419,299,554,350.41/712,764.32
  6. Step 6: Final answer
    x = 588,272.37

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1.5x scale

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.