Home / 855,166.95-1,180,255.59-492,520.23

Finding the Fourth Proportional to 855,166.95, 1,180,255.59 and 492,520.23

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Solution

The fourth proportional to 855,166.95, 1,180,255.59 and 492,520.23 is: 679,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,166.95 : 1,180,255.59 = 492,520.23 : x
  2. Step 2: Convert to fraction form
    855,166.95/1,180,255.59 = 492,520.23/x
  3. Step 3: Cross multiply
    855,166.95x = 1,180,255.59 × 492,520.23
  4. Step 4: Simplify right side
    855,166.95x = 581,299,754,645.59
  5. Step 5: Solve for x
    x = 581,299,754,645.59/855,166.95
  6. Step 6: Final answer
    x = 679,750.02

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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.