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Finding the Fourth Proportional to 572,532.60, 858,107.70 and 291,905.40

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Solution

The fourth proportional to 572,532.60, 858,107.70 and 291,905.40 is: 437,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,532.60 : 858,107.70 = 291,905.40 : x
  2. Step 2: Convert to fraction form
    572,532.60/858,107.70 = 291,905.40/x
  3. Step 3: Cross multiply
    572,532.60x = 858,107.70 × 291,905.40
  4. Step 4: Simplify right side
    572,532.60x = 250,486,271,411.58
  5. Step 5: Solve for x
    x = 250,486,271,411.58/572,532.60
  6. Step 6: Final answer
    x = 437,505.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.