Home / 829,913.65-1,145,269.56-467,341.90

Finding the Fourth Proportional to 829,913.65, 1,145,269.56 and 467,341.90

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Solution

The fourth proportional to 829,913.65, 1,145,269.56 and 467,341.90 is: 644,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,913.65 : 1,145,269.56 = 467,341.90 : x
  2. Step 2: Convert to fraction form
    829,913.65/1,145,269.56 = 467,341.90/x
  3. Step 3: Cross multiply
    829,913.65x = 1,145,269.56 × 467,341.90
  4. Step 4: Simplify right side
    829,913.65x = 535,232,452,182.56
  5. Step 5: Solve for x
    x = 535,232,452,182.56/829,913.65
  6. Step 6: Final answer
    x = 644,925.47

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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.