Home / 899,990.15-1,348,690.34-387,514.60

Finding the Fourth Proportional to 899,990.15, 1,348,690.34 and 387,514.60

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Solution

The fourth proportional to 899,990.15, 1,348,690.34 and 387,514.60 is: 580,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,990.15 : 1,348,690.34 = 387,514.60 : x
  2. Step 2: Convert to fraction form
    899,990.15/1,348,690.34 = 387,514.60/x
  3. Step 3: Cross multiply
    899,990.15x = 1,348,690.34 × 387,514.60
  4. Step 4: Simplify right side
    899,990.15x = 522,637,195,226.03
  5. Step 5: Solve for x
    x = 522,637,195,226.03/899,990.15
  6. Step 6: Final answer
    x = 580,714.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.