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Finding the Fourth Proportional to 480,544, 663,199.59 and 276,603.46

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Solution

The fourth proportional to 480,544, 663,199.59 and 276,603.46 is: 381,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,544 : 663,199.59 = 276,603.46 : x
  2. Step 2: Convert to fraction form
    480,544/663,199.59 = 276,603.46/x
  3. Step 3: Cross multiply
    480,544x = 663,199.59 × 276,603.46
  4. Step 4: Simplify right side
    480,544x = 183,443,301,264.58
  5. Step 5: Solve for x
    x = 183,443,301,264.58/480,544
  6. Step 6: Final answer
    x = 381,740.90

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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.