Home / 790,256.17-1,090,553.59-427,682.65

Finding the Fourth Proportional to 790,256.17, 1,090,553.59 and 427,682.65

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Solution

The fourth proportional to 790,256.17, 1,090,553.59 and 427,682.65 is: 590,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,256.17 : 1,090,553.59 = 427,682.65 : x
  2. Step 2: Convert to fraction form
    790,256.17/1,090,553.59 = 427,682.65/x
  3. Step 3: Cross multiply
    790,256.17x = 1,090,553.59 × 427,682.65
  4. Step 4: Simplify right side
    790,256.17x = 466,410,849,338.21
  5. Step 5: Solve for x
    x = 466,410,849,338.21/790,256.17
  6. Step 6: Final answer
    x = 590,202.10

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1.5x scale

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.