Home / 648,725.10-973,180.65-199,483.70

Finding the Fourth Proportional to 648,725.10, 973,180.65 and 199,483.70

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Solution

The fourth proportional to 648,725.10, 973,180.65 and 199,483.70 is: 299,254.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,725.10 : 973,180.65 = 199,483.70 : x
  2. Step 2: Convert to fraction form
    648,725.10/973,180.65 = 199,483.70/x
  3. Step 3: Cross multiply
    648,725.10x = 973,180.65 × 199,483.70
  4. Step 4: Simplify right side
    648,725.10x = 194,133,676,830.41
  5. Step 5: Solve for x
    x = 194,133,676,830.41/648,725.10
  6. Step 6: Final answer
    x = 299,254.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.