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Finding the Fourth Proportional to 503,302.40, 754,953.60 and 464,811.20

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Solution

The fourth proportional to 503,302.40, 754,953.60 and 464,811.20 is: 697,216.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,302.40 : 754,953.60 = 464,811.20 : x
  2. Step 2: Convert to fraction form
    503,302.40/754,953.60 = 464,811.20/x
  3. Step 3: Cross multiply
    503,302.40x = 754,953.60 × 464,811.20
  4. Step 4: Simplify right side
    503,302.40x = 350,910,888,760.32
  5. Step 5: Solve for x
    x = 350,910,888,760.32/503,302.40
  6. Step 6: Final answer
    x = 697,216.80

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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.