Home / 855,285.08-1,180,296.52-462,818.02

Finding the Fourth Proportional to 855,285.08, 1,180,296.52 and 462,818.02

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Solution

The fourth proportional to 855,285.08, 1,180,296.52 and 462,818.02 is: 638,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,285.08 : 1,180,296.52 = 462,818.02 : x
  2. Step 2: Convert to fraction form
    855,285.08/1,180,296.52 = 462,818.02/x
  3. Step 3: Cross multiply
    855,285.08x = 1,180,296.52 × 462,818.02
  4. Step 4: Simplify right side
    855,285.08x = 546,262,498,399.29
  5. Step 5: Solve for x
    x = 546,262,498,399.29/855,285.08
  6. Step 6: Final answer
    x = 638,690.55

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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.