Home / 807,225.84-1,113,971.58-467,890.92

Finding the Fourth Proportional to 807,225.84, 1,113,971.58 and 467,890.92

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Solution

The fourth proportional to 807,225.84, 1,113,971.58 and 467,890.92 is: 645,689.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,225.84 : 1,113,971.58 = 467,890.92 : x
  2. Step 2: Convert to fraction form
    807,225.84/1,113,971.58 = 467,890.92/x
  3. Step 3: Cross multiply
    807,225.84x = 1,113,971.58 × 467,890.92
  4. Step 4: Simplify right side
    807,225.84x = 521,217,187,420.05
  5. Step 5: Solve for x
    x = 521,217,187,420.05/807,225.84
  6. Step 6: Final answer
    x = 645,689.42

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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.