Home / 714,576.98-1,071,050.11-287,839.52

Finding the Fourth Proportional to 714,576.98, 1,071,050.11 and 287,839.52

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Solution

The fourth proportional to 714,576.98, 1,071,050.11 and 287,839.52 is: 431,430.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,576.98 : 1,071,050.11 = 287,839.52 : x
  2. Step 2: Convert to fraction form
    714,576.98/1,071,050.11 = 287,839.52/x
  3. Step 3: Cross multiply
    714,576.98x = 1,071,050.11 × 287,839.52
  4. Step 4: Simplify right side
    714,576.98x = 308,290,547,499.94
  5. Step 5: Solve for x
    x = 308,290,547,499.94/714,576.98
  6. Step 6: Final answer
    x = 431,430.84

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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.