Home / 790,089.64-1,090,315.50-427,505.49

Finding the Fourth Proportional to 790,089.64, 1,090,315.50 and 427,505.49

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Solution

The fourth proportional to 790,089.64, 1,090,315.50 and 427,505.49 is: 589,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,089.64 : 1,090,315.50 = 427,505.49 : x
  2. Step 2: Convert to fraction form
    790,089.64/1,090,315.50 = 427,505.49/x
  3. Step 3: Cross multiply
    790,089.64x = 1,090,315.50 × 427,505.49
  4. Step 4: Simplify right side
    790,089.64x = 466,115,862,082.10
  5. Step 5: Solve for x
    x = 466,115,862,082.10/790,089.64
  6. Step 6: Final answer
    x = 589,953.14

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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.