Home / 839,946.18-1,159,096.86-477,363.72

Finding the Fourth Proportional to 839,946.18, 1,159,096.86 and 477,363.72

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Solution

The fourth proportional to 839,946.18, 1,159,096.86 and 477,363.72 is: 658,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,946.18 : 1,159,096.86 = 477,363.72 : x
  2. Step 2: Convert to fraction form
    839,946.18/1,159,096.86 = 477,363.72/x
  3. Step 3: Cross multiply
    839,946.18x = 1,159,096.86 × 477,363.72
  4. Step 4: Simplify right side
    839,946.18x = 553,310,788,929.92
  5. Step 5: Solve for x
    x = 553,310,788,929.92/839,946.18
  6. Step 6: Final answer
    x = 658,745.53

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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.