Home / 896,967.72-1,237,825.08-489,066.12

Finding the Fourth Proportional to 896,967.72, 1,237,825.08 and 489,066.12

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Solution

The fourth proportional to 896,967.72, 1,237,825.08 and 489,066.12 is: 674,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,967.72 : 1,237,825.08 = 489,066.12 : x
  2. Step 2: Convert to fraction form
    896,967.72/1,237,825.08 = 489,066.12/x
  3. Step 3: Cross multiply
    896,967.72x = 1,237,825.08 × 489,066.12
  4. Step 4: Simplify right side
    896,967.72x = 605,378,309,114.29
  5. Step 5: Solve for x
    x = 605,378,309,114.29/896,967.72
  6. Step 6: Final answer
    x = 674,916.49

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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.