Home / 927,092.96-1,390,855.11-287,362.76

Finding the Fourth Proportional to 927,092.96, 1,390,855.11 and 287,362.76

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Solution

The fourth proportional to 927,092.96, 1,390,855.11 and 287,362.76 is: 431,110.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,092.96 : 1,390,855.11 = 287,362.76 : x
  2. Step 2: Convert to fraction form
    927,092.96/1,390,855.11 = 287,362.76/x
  3. Step 3: Cross multiply
    927,092.96x = 1,390,855.11 × 287,362.76
  4. Step 4: Simplify right side
    927,092.96x = 399,679,963,169.70
  5. Step 5: Solve for x
    x = 399,679,963,169.70/927,092.96
  6. Step 6: Final answer
    x = 431,110.99

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1.5x scale

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.