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Finding the Fourth Proportional to 556,984.80, 834,728.79 and 303,886.02

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Solution

The fourth proportional to 556,984.80, 834,728.79 and 303,886.02 is: 455,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,984.80 : 834,728.79 = 303,886.02 : x
  2. Step 2: Convert to fraction form
    556,984.80/834,728.79 = 303,886.02/x
  3. Step 3: Cross multiply
    556,984.80x = 834,728.79 × 303,886.02
  4. Step 4: Simplify right side
    556,984.80x = 253,662,409,772.52
  5. Step 5: Solve for x
    x = 253,662,409,772.52/556,984.80
  6. Step 6: Final answer
    x = 455,420.70

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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.