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Finding the Fourth Proportional to 488,663.40, 732,995.10 and 302,039.40

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Solution

The fourth proportional to 488,663.40, 732,995.10 and 302,039.40 is: 453,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,663.40 : 732,995.10 = 302,039.40 : x
  2. Step 2: Convert to fraction form
    488,663.40/732,995.10 = 302,039.40/x
  3. Step 3: Cross multiply
    488,663.40x = 732,995.10 × 302,039.40
  4. Step 4: Simplify right side
    488,663.40x = 221,393,400,206.94
  5. Step 5: Solve for x
    x = 221,393,400,206.94/488,663.40
  6. Step 6: Final answer
    x = 453,059.10

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Similar ratio
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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.