Home / 788,086.65-1,087,586.27-466,072.77

Finding the Fourth Proportional to 788,086.65, 1,087,586.27 and 466,072.77

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Solution

The fourth proportional to 788,086.65, 1,087,586.27 and 466,072.77 is: 643,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,086.65 : 1,087,586.27 = 466,072.77 : x
  2. Step 2: Convert to fraction form
    788,086.65/1,087,586.27 = 466,072.77/x
  3. Step 3: Cross multiply
    788,086.65x = 1,087,586.27 × 466,072.77
  4. Step 4: Simplify right side
    788,086.65x = 506,894,345,472.87
  5. Step 5: Solve for x
    x = 506,894,345,472.87/788,086.65
  6. Step 6: Final answer
    x = 643,196.21

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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.