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Finding the Fourth Proportional to 480,763.50, 663,473.69 and 276,809.35

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Solution

The fourth proportional to 480,763.50, 663,473.69 and 276,809.35 is: 382,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,763.50 : 663,473.69 = 276,809.35 : x
  2. Step 2: Convert to fraction form
    480,763.50/663,473.69 = 276,809.35/x
  3. Step 3: Cross multiply
    480,763.50x = 663,473.69 × 276,809.35
  4. Step 4: Simplify right side
    480,763.50x = 183,655,717,553.63
  5. Step 5: Solve for x
    x = 183,655,717,553.63/480,763.50
  6. Step 6: Final answer
    x = 382,008.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.