Home / 897,848.86-1,239,057.78-489,977.02

Finding the Fourth Proportional to 897,848.86, 1,239,057.78 and 489,977.02

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Solution

The fourth proportional to 897,848.86, 1,239,057.78 and 489,977.02 is: 676,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,848.86 : 1,239,057.78 = 489,977.02 : x
  2. Step 2: Convert to fraction form
    897,848.86/1,239,057.78 = 489,977.02/x
  3. Step 3: Cross multiply
    897,848.86x = 1,239,057.78 × 489,977.02
  4. Step 4: Simplify right side
    897,848.86x = 607,109,838,652.22
  5. Step 5: Solve for x
    x = 607,109,838,652.22/897,848.86
  6. Step 6: Final answer
    x = 676,182.67

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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.