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Finding the Fourth Proportional to 624,460.80, 935,308.80 and 513,868.80

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Solution

The fourth proportional to 624,460.80, 935,308.80 and 513,868.80 is: 769,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,460.80 : 935,308.80 = 513,868.80 : x
  2. Step 2: Convert to fraction form
    624,460.80/935,308.80 = 513,868.80/x
  3. Step 3: Cross multiply
    624,460.80x = 935,308.80 × 513,868.80
  4. Step 4: Simplify right side
    624,460.80x = 480,626,010,685.44
  5. Step 5: Solve for x
    x = 480,626,010,685.44/624,460.80
  6. Step 6: Final answer
    x = 769,665.62

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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.