Home / 478,769.74-660,702.04-263,913.40

Finding the Fourth Proportional to 478,769.74, 660,702.04 and 263,913.40

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Solution

The fourth proportional to 478,769.74, 660,702.04 and 263,913.40 is: 364,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,769.74 : 660,702.04 = 263,913.40 : x
  2. Step 2: Convert to fraction form
    478,769.74/660,702.04 = 263,913.40/x
  3. Step 3: Cross multiply
    478,769.74x = 660,702.04 × 263,913.40
  4. Step 4: Simplify right side
    478,769.74x = 174,368,121,763.34
  5. Step 5: Solve for x
    x = 174,368,121,763.34/478,769.74
  6. Step 6: Final answer
    x = 364,200.38

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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.