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Finding the Fourth Proportional to 530,412.98, 795,693.71 and 170,462.88

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Solution

The fourth proportional to 530,412.98, 795,693.71 and 170,462.88 is: 255,718.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,412.98 : 795,693.71 = 170,462.88 : x
  2. Step 2: Convert to fraction form
    530,412.98/795,693.71 = 170,462.88/x
  3. Step 3: Cross multiply
    530,412.98x = 795,693.71 × 170,462.88
  4. Step 4: Simplify right side
    530,412.98x = 135,636,241,830.64
  5. Step 5: Solve for x
    x = 135,636,241,830.64/530,412.98
  6. Step 6: Final answer
    x = 255,718.18

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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.