Home / 885,727.20-1,328,590.80-413,335.20

Finding the Fourth Proportional to 885,727.20, 1,328,590.80 and 413,335.20

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Solution

The fourth proportional to 885,727.20, 1,328,590.80 and 413,335.20 is: 620,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,727.20 : 1,328,590.80 = 413,335.20 : x
  2. Step 2: Convert to fraction form
    885,727.20/1,328,590.80 = 413,335.20/x
  3. Step 3: Cross multiply
    885,727.20x = 1,328,590.80 × 413,335.20
  4. Step 4: Simplify right side
    885,727.20x = 549,153,344,036.16
  5. Step 5: Solve for x
    x = 549,153,344,036.16/885,727.20
  6. Step 6: Final answer
    x = 620,002.80

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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.