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Finding the Fourth Proportional to 598,573.80, 897,860.70 and 492,285.60

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Solution

The fourth proportional to 598,573.80, 897,860.70 and 492,285.60 is: 738,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,573.80 : 897,860.70 = 492,285.60 : x
  2. Step 2: Convert to fraction form
    598,573.80/897,860.70 = 492,285.60/x
  3. Step 3: Cross multiply
    598,573.80x = 897,860.70 × 492,285.60
  4. Step 4: Simplify right side
    598,573.80x = 442,003,893,415.92
  5. Step 5: Solve for x
    x = 442,003,893,415.92/598,573.80
  6. Step 6: Final answer
    x = 738,428.40

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Double scale
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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.