Home / 705,970.77-974,247.20-383,680.89

Finding the Fourth Proportional to 705,970.77, 974,247.20 and 383,680.89

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Solution

The fourth proportional to 705,970.77, 974,247.20 and 383,680.89 is: 529,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,970.77 : 974,247.20 = 383,680.89 : x
  2. Step 2: Convert to fraction form
    705,970.77/974,247.20 = 383,680.89/x
  3. Step 3: Cross multiply
    705,970.77x = 974,247.20 × 383,680.89
  4. Step 4: Simplify right side
    705,970.77x = 373,800,030,857.60
  5. Step 5: Solve for x
    x = 373,800,030,857.60/705,970.77
  6. Step 6: Final answer
    x = 529,483.72

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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.