Home / 897,856.56-1,239,068.39-489,984.74

Finding the Fourth Proportional to 897,856.56, 1,239,068.39 and 489,984.74

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Solution

The fourth proportional to 897,856.56, 1,239,068.39 and 489,984.74 is: 676,193.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,856.56 : 1,239,068.39 = 489,984.74 : x
  2. Step 2: Convert to fraction form
    897,856.56/1,239,068.39 = 489,984.74/x
  3. Step 3: Cross multiply
    897,856.56x = 1,239,068.39 × 489,984.74
  4. Step 4: Simplify right side
    897,856.56x = 607,124,602,916.37
  5. Step 5: Solve for x
    x = 607,124,602,916.37/897,856.56
  6. Step 6: Final answer
    x = 676,193.31

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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.