Home / 979,711.26-1,470,111.21-530,425.50

Finding the Fourth Proportional to 979,711.26, 1,470,111.21 and 530,425.50

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Solution

The fourth proportional to 979,711.26, 1,470,111.21 and 530,425.50 is: 795,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,711.26 : 1,470,111.21 = 530,425.50 : x
  2. Step 2: Convert to fraction form
    979,711.26/1,470,111.21 = 530,425.50/x
  3. Step 3: Cross multiply
    979,711.26x = 1,470,111.21 × 530,425.50
  4. Step 4: Simplify right side
    979,711.26x = 779,784,473,619.86
  5. Step 5: Solve for x
    x = 779,784,473,619.86/979,711.26
  6. Step 6: Final answer
    x = 795,932.95

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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.