Home / 787,376.25-1,086,579.45-460,752.04

Finding the Fourth Proportional to 787,376.25, 1,086,579.45 and 460,752.04

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Solution

The fourth proportional to 787,376.25, 1,086,579.45 and 460,752.04 is: 635,837.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,376.25 : 1,086,579.45 = 460,752.04 : x
  2. Step 2: Convert to fraction form
    787,376.25/1,086,579.45 = 460,752.04/x
  3. Step 3: Cross multiply
    787,376.25x = 1,086,579.45 × 460,752.04
  4. Step 4: Simplify right side
    787,376.25x = 500,643,698,209.58
  5. Step 5: Solve for x
    x = 500,643,698,209.58/787,376.25
  6. Step 6: Final answer
    x = 635,837.95

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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.