Home / 790,530.50-1,090,923.05-427,946.42

Finding the Fourth Proportional to 790,530.50, 1,090,923.05 and 427,946.42

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Solution

The fourth proportional to 790,530.50, 1,090,923.05 and 427,946.42 is: 590,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,530.50 : 1,090,923.05 = 427,946.42 : x
  2. Step 2: Convert to fraction form
    790,530.50/1,090,923.05 = 427,946.42/x
  3. Step 3: Cross multiply
    790,530.50x = 1,090,923.05 × 427,946.42
  4. Step 4: Simplify right side
    790,530.50x = 466,856,617,540.16
  5. Step 5: Solve for x
    x = 466,856,617,540.16/790,530.50
  6. Step 6: Final answer
    x = 590,561.17

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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.