Home / 727,305.48-1,091,424.78-353,124.36

Finding the Fourth Proportional to 727,305.48, 1,091,424.78 and 353,124.36

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Solution

The fourth proportional to 727,305.48, 1,091,424.78 and 353,124.36 is: 529,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,305.48 : 1,091,424.78 = 353,124.36 : x
  2. Step 2: Convert to fraction form
    727,305.48/1,091,424.78 = 353,124.36/x
  3. Step 3: Cross multiply
    727,305.48x = 1,091,424.78 × 353,124.36
  4. Step 4: Simplify right side
    727,305.48x = 385,408,676,925.64
  5. Step 5: Solve for x
    x = 385,408,676,925.64/727,305.48
  6. Step 6: Final answer
    x = 529,913.07

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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.