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Finding the Fourth Proportional to 579,971.80, 870,296.37 and 242,983.63

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Solution

The fourth proportional to 579,971.80, 870,296.37 and 242,983.63 is: 364,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,971.80 : 870,296.37 = 242,983.63 : x
  2. Step 2: Convert to fraction form
    579,971.80/870,296.37 = 242,983.63/x
  3. Step 3: Cross multiply
    579,971.80x = 870,296.37 × 242,983.63
  4. Step 4: Simplify right side
    579,971.80x = 211,467,771,158.42
  5. Step 5: Solve for x
    x = 211,467,771,158.42/579,971.80
  6. Step 6: Final answer
    x = 364,617.33

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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.