Home / 714,272.72-1,071,397.23-287,798.13

Finding the Fourth Proportional to 714,272.72, 1,071,397.23 and 287,798.13

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Solution

The fourth proportional to 714,272.72, 1,071,397.23 and 287,798.13 is: 431,692.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,272.72 : 1,071,397.23 = 287,798.13 : x
  2. Step 2: Convert to fraction form
    714,272.72/1,071,397.23 = 287,798.13/x
  3. Step 3: Cross multiply
    714,272.72x = 1,071,397.23 × 287,798.13
  4. Step 4: Simplify right side
    714,272.72x = 308,346,119,281.18
  5. Step 5: Solve for x
    x = 308,346,119,281.18/714,272.72
  6. Step 6: Final answer
    x = 431,692.42

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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.