Home / 855,329.17-1,180,345.26-462,853.54

Finding the Fourth Proportional to 855,329.17, 1,180,345.26 and 462,853.54

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Solution

The fourth proportional to 855,329.17, 1,180,345.26 and 462,853.54 is: 638,733.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,329.17 : 1,180,345.26 = 462,853.54 : x
  2. Step 2: Convert to fraction form
    855,329.17/1,180,345.26 = 462,853.54/x
  3. Step 3: Cross multiply
    855,329.17x = 1,180,345.26 × 462,853.54
  4. Step 4: Simplify right side
    855,329.17x = 546,326,985,224.35
  5. Step 5: Solve for x
    x = 546,326,985,224.35/855,329.17
  6. Step 6: Final answer
    x = 638,733.02

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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.