Home / 987,555.76-1,362,828.72-534,846.76

Finding the Fourth Proportional to 987,555.76, 1,362,828.72 and 534,846.76

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Solution

The fourth proportional to 987,555.76, 1,362,828.72 and 534,846.76 is: 738,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,555.76 : 1,362,828.72 = 534,846.76 : x
  2. Step 2: Convert to fraction form
    987,555.76/1,362,828.72 = 534,846.76/x
  3. Step 3: Cross multiply
    987,555.76x = 1,362,828.72 × 534,846.76
  4. Step 4: Simplify right side
    987,555.76x = 728,904,525,326.95
  5. Step 5: Solve for x
    x = 728,904,525,326.95/987,555.76
  6. Step 6: Final answer
    x = 738,089.49

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Double scale
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1.5x scale

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.