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Finding the Fourth Proportional to 503,721.60, 756,165.60 and 304,267.20

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Solution

The fourth proportional to 503,721.60, 756,165.60 and 304,267.20 is: 456,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,721.60 : 756,165.60 = 304,267.20 : x
  2. Step 2: Convert to fraction form
    503,721.60/756,165.60 = 304,267.20/x
  3. Step 3: Cross multiply
    503,721.60x = 756,165.60 × 304,267.20
  4. Step 4: Simplify right side
    503,721.60x = 230,076,389,848.32
  5. Step 5: Solve for x
    x = 230,076,389,848.32/503,721.60
  6. Step 6: Final answer
    x = 456,753.08

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1.5x scale

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.