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Finding the Fourth Proportional to 630,265.60, 946,089.60 and 349,638.40

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Solution

The fourth proportional to 630,265.60, 946,089.60 and 349,638.40 is: 524,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,265.60 : 946,089.60 = 349,638.40 : x
  2. Step 2: Convert to fraction form
    630,265.60/946,089.60 = 349,638.40/x
  3. Step 3: Cross multiply
    630,265.60x = 946,089.60 × 349,638.40
  4. Step 4: Simplify right side
    630,265.60x = 330,789,254,000.64
  5. Step 5: Solve for x
    x = 330,789,254,000.64/630,265.60
  6. Step 6: Final answer
    x = 524,841.04

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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.