Home / 987,374.08-1,362,582.72-534,665.12

Finding the Fourth Proportional to 987,374.08, 1,362,582.72 and 534,665.12

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Solution

The fourth proportional to 987,374.08, 1,362,582.72 and 534,665.12 is: 737,841.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,374.08 : 1,362,582.72 = 534,665.12 : x
  2. Step 2: Convert to fraction form
    987,374.08/1,362,582.72 = 534,665.12/x
  3. Step 3: Cross multiply
    987,374.08x = 1,362,582.72 × 534,665.12
  4. Step 4: Simplify right side
    987,374.08x = 728,525,453,498.73
  5. Step 5: Solve for x
    x = 728,525,453,498.73/987,374.08
  6. Step 6: Final answer
    x = 737,841.38

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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.