Home / 790,530.05-1,090,931.83-427,953.90

Finding the Fourth Proportional to 790,530.05, 1,090,931.83 and 427,953.90

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Solution

The fourth proportional to 790,530.05, 1,090,931.83 and 427,953.90 is: 590,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,530.05 : 1,090,931.83 = 427,953.90 : x
  2. Step 2: Convert to fraction form
    790,530.05/1,090,931.83 = 427,953.90/x
  3. Step 3: Cross multiply
    790,530.05x = 1,090,931.83 × 427,953.90
  4. Step 4: Simplify right side
    790,530.05x = 466,868,531,282.64
  5. Step 5: Solve for x
    x = 466,868,531,282.64/790,530.05
  6. Step 6: Final answer
    x = 590,576.58

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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.