Home / 896,969.72-1,237,827.84-489,068.12

Finding the Fourth Proportional to 896,969.72, 1,237,827.84 and 489,068.12

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Solution

The fourth proportional to 896,969.72, 1,237,827.84 and 489,068.12 is: 674,919.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,969.72 : 1,237,827.84 = 489,068.12 : x
  2. Step 2: Convert to fraction form
    896,969.72/1,237,827.84 = 489,068.12/x
  3. Step 3: Cross multiply
    896,969.72x = 1,237,827.84 × 489,068.12
  4. Step 4: Simplify right side
    896,969.72x = 605,382,134,592.46
  5. Step 5: Solve for x
    x = 605,382,134,592.46/896,969.72
  6. Step 6: Final answer
    x = 674,919.25

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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.