Home / 790,165.95-1,090,431.88-427,589.77

Finding the Fourth Proportional to 790,165.95, 1,090,431.88 and 427,589.77

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Solution

The fourth proportional to 790,165.95, 1,090,431.88 and 427,589.77 is: 590,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,165.95 : 1,090,431.88 = 427,589.77 : x
  2. Step 2: Convert to fraction form
    790,165.95/1,090,431.88 = 427,589.77/x
  3. Step 3: Cross multiply
    790,165.95x = 1,090,431.88 × 427,589.77
  4. Step 4: Simplify right side
    790,165.95x = 466,257,513,019.89
  5. Step 5: Solve for x
    x = 466,257,513,019.89/790,165.95
  6. Step 6: Final answer
    x = 590,075.43

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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.