Home / 885,342.76-1,328,011.26-530,463.40

Finding the Fourth Proportional to 885,342.76, 1,328,011.26 and 530,463.40

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Solution

The fourth proportional to 885,342.76, 1,328,011.26 and 530,463.40 is: 795,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,342.76 : 1,328,011.26 = 530,463.40 : x
  2. Step 2: Convert to fraction form
    885,342.76/1,328,011.26 = 530,463.40/x
  3. Step 3: Cross multiply
    885,342.76x = 1,328,011.26 × 530,463.40
  4. Step 4: Simplify right side
    885,342.76x = 704,461,368,217.88
  5. Step 5: Solve for x
    x = 704,461,368,217.88/885,342.76
  6. Step 6: Final answer
    x = 795,693.37

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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.