Home / 855,184.95-1,180,280.43-492,538.23

Finding the Fourth Proportional to 855,184.95, 1,180,280.43 and 492,538.23

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Solution

The fourth proportional to 855,184.95, 1,180,280.43 and 492,538.23 is: 679,774.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,184.95 : 1,180,280.43 = 492,538.23 : x
  2. Step 2: Convert to fraction form
    855,184.95/1,180,280.43 = 492,538.23/x
  3. Step 3: Cross multiply
    855,184.95x = 1,180,280.43 × 492,538.23
  4. Step 4: Simplify right side
    855,184.95x = 581,333,233,895.84
  5. Step 5: Solve for x
    x = 581,333,233,895.84/855,184.95
  6. Step 6: Final answer
    x = 679,774.86

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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.