Home / 870,782.00-1,306,671.35-338,234.13

Finding the Fourth Proportional to 870,782.00, 1,306,671.35 and 338,234.13

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Solution

The fourth proportional to 870,782.00, 1,306,671.35 and 338,234.13 is: 507,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,782.00 : 1,306,671.35 = 338,234.13 : x
  2. Step 2: Convert to fraction form
    870,782.00/1,306,671.35 = 338,234.13/x
  3. Step 3: Cross multiply
    870,782.00x = 1,306,671.35 × 338,234.13
  4. Step 4: Simplify right side
    870,782.00x = 441,960,845,572.01
  5. Step 5: Solve for x
    x = 441,960,845,572.01/870,782.00
  6. Step 6: Final answer
    x = 507,544.77

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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.