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Finding the Fourth Proportional to 480,307.50, 718,966.56 and 302,440.83

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Solution

The fourth proportional to 480,307.50, 718,966.56 and 302,440.83 is: 452,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,307.50 : 718,966.56 = 302,440.83 : x
  2. Step 2: Convert to fraction form
    480,307.50/718,966.56 = 302,440.83/x
  3. Step 3: Cross multiply
    480,307.50x = 718,966.56 × 302,440.83
  4. Step 4: Simplify right side
    480,307.50x = 217,444,843,148.65
  5. Step 5: Solve for x
    x = 217,444,843,148.65/480,307.50
  6. Step 6: Final answer
    x = 452,720.07

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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.