Home / 839,835.61-1,158,260.11-709,651.06

Finding the Fourth Proportional to 839,835.61, 1,158,260.11 and 709,651.06

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Solution

The fourth proportional to 839,835.61, 1,158,260.11 and 709,651.06 is: 978,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,835.61 : 1,158,260.11 = 709,651.06 : x
  2. Step 2: Convert to fraction form
    839,835.61/1,158,260.11 = 709,651.06/x
  3. Step 3: Cross multiply
    839,835.61x = 1,158,260.11 × 709,651.06
  4. Step 4: Simplify right side
    839,835.61x = 821,960,514,817.22
  5. Step 5: Solve for x
    x = 821,960,514,817.22/839,835.61
  6. Step 6: Final answer
    x = 978,715.96

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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.