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Finding the Fourth Proportional to 503,673.60, 755,510.40 and 282,028.80

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Solution

The fourth proportional to 503,673.60, 755,510.40 and 282,028.80 is: 423,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,673.60 : 755,510.40 = 282,028.80 : x
  2. Step 2: Convert to fraction form
    503,673.60/755,510.40 = 282,028.80/x
  3. Step 3: Cross multiply
    503,673.60x = 755,510.40 × 282,028.80
  4. Step 4: Simplify right side
    503,673.60x = 213,075,691,499.52
  5. Step 5: Solve for x
    x = 213,075,691,499.52/503,673.60
  6. Step 6: Final answer
    x = 423,043.20

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Similar ratio
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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.