Home / 579,825.60-869,738.40-496,881.60

Finding the Fourth Proportional to 579,825.60, 869,738.40 and 496,881.60

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Solution

The fourth proportional to 579,825.60, 869,738.40 and 496,881.60 is: 745,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,825.60 : 869,738.40 = 496,881.60 : x
  2. Step 2: Convert to fraction form
    579,825.60/869,738.40 = 496,881.60/x
  3. Step 3: Cross multiply
    579,825.60x = 869,738.40 × 496,881.60
  4. Step 4: Simplify right side
    579,825.60x = 432,157,007,773.44
  5. Step 5: Solve for x
    x = 432,157,007,773.44/579,825.60
  6. Step 6: Final answer
    x = 745,322.40

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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.