Home / 897,385.32-1,238,406.28-489,487.04

Finding the Fourth Proportional to 897,385.32, 1,238,406.28 and 489,487.04

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Solution

The fourth proportional to 897,385.32, 1,238,406.28 and 489,487.04 is: 675,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,385.32 : 1,238,406.28 = 489,487.04 : x
  2. Step 2: Convert to fraction form
    897,385.32/1,238,406.28 = 489,487.04/x
  3. Step 3: Cross multiply
    897,385.32x = 1,238,406.28 × 489,487.04
  4. Step 4: Simplify right side
    897,385.32x = 606,183,824,314.61
  5. Step 5: Solve for x
    x = 606,183,824,314.61/897,385.32
  6. Step 6: Final answer
    x = 675,500.05

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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.