Home / 714,567.35-1,071,035.67-287,829.89

Finding the Fourth Proportional to 714,567.35, 1,071,035.67 and 287,829.89

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Solution

The fourth proportional to 714,567.35, 1,071,035.67 and 287,829.89 is: 431,416.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,567.35 : 1,071,035.67 = 287,829.89 : x
  2. Step 2: Convert to fraction form
    714,567.35/1,071,035.67 = 287,829.89/x
  3. Step 3: Cross multiply
    714,567.35x = 1,071,035.67 × 287,829.89
  4. Step 4: Simplify right side
    714,567.35x = 308,276,079,082.18
  5. Step 5: Solve for x
    x = 308,276,079,082.18/714,567.35
  6. Step 6: Final answer
    x = 431,416.41

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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.