Home / 855,442.95-1,180,566.08-492,860.22

Finding the Fourth Proportional to 855,442.95, 1,180,566.08 and 492,860.22

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Solution

The fourth proportional to 855,442.95, 1,180,566.08 and 492,860.22 is: 680,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,442.95 : 1,180,566.08 = 492,860.22 : x
  2. Step 2: Convert to fraction form
    855,442.95/1,180,566.08 = 492,860.22/x
  3. Step 3: Cross multiply
    855,442.95x = 1,180,566.08 × 492,860.22
  4. Step 4: Simplify right side
    855,442.95x = 581,854,055,449.04
  5. Step 5: Solve for x
    x = 581,854,055,449.04/855,442.95
  6. Step 6: Final answer
    x = 680,178.68

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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.