Home / 896,901.87-1,237,707.92-489,007.23

Finding the Fourth Proportional to 896,901.87, 1,237,707.92 and 489,007.23

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Solution

The fourth proportional to 896,901.87, 1,237,707.92 and 489,007.23 is: 674,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,901.87 : 1,237,707.92 = 489,007.23 : x
  2. Step 2: Convert to fraction form
    896,901.87/1,237,707.92 = 489,007.23/x
  3. Step 3: Cross multiply
    896,901.87x = 1,237,707.92 × 489,007.23
  4. Step 4: Simplify right side
    896,901.87x = 605,248,127,157.20
  5. Step 5: Solve for x
    x = 605,248,127,157.20/896,901.87
  6. Step 6: Final answer
    x = 674,820.90

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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.