Home / 790,178.26-1,090,437.69-427,594.18

Finding the Fourth Proportional to 790,178.26, 1,090,437.69 and 427,594.18

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Solution

The fourth proportional to 790,178.26, 1,090,437.69 and 427,594.18 is: 590,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,178.26 : 1,090,437.69 = 427,594.18 : x
  2. Step 2: Convert to fraction form
    790,178.26/1,090,437.69 = 427,594.18/x
  3. Step 3: Cross multiply
    790,178.26x = 1,090,437.69 × 427,594.18
  4. Step 4: Simplify right side
    790,178.26x = 466,264,809,896.64
  5. Step 5: Solve for x
    x = 466,264,809,896.64/790,178.26
  6. Step 6: Final answer
    x = 590,075.47

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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.