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Finding the Fourth Proportional to 580,925.80, 869,420.40 and 580,925.80

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Solution

The fourth proportional to 580,925.80, 869,420.40 and 580,925.80 is: 869,420.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,925.80 : 869,420.40 = 580,925.80 : x
  2. Step 2: Convert to fraction form
    580,925.80/869,420.40 = 580,925.80/x
  3. Step 3: Cross multiply
    580,925.80x = 869,420.40 × 580,925.80
  4. Step 4: Simplify right side
    580,925.80x = 505,068,741,406.32
  5. Step 5: Solve for x
    x = 505,068,741,406.32/580,925.80
  6. Step 6: Final answer
    x = 869,420.40

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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.