Home / 993,089-1,370,451.30-540,372.20

Finding the Fourth Proportional to 993,089, 1,370,451.30 and 540,372.20

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Solution

The fourth proportional to 993,089, 1,370,451.30 and 540,372.20 is: 745,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,089 : 1,370,451.30 = 540,372.20 : x
  2. Step 2: Convert to fraction form
    993,089/1,370,451.30 = 540,372.20/x
  3. Step 3: Cross multiply
    993,089x = 1,370,451.30 × 540,372.20
  4. Step 4: Simplify right side
    993,089x = 740,553,783,973.86
  5. Step 5: Solve for x
    x = 740,553,783,973.86/993,089
  6. Step 6: Final answer
    x = 745,707.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.