Home / 912,434.22-1,368,846.90-272,788.02

Finding the Fourth Proportional to 912,434.22, 1,368,846.90 and 272,788.02

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Solution

The fourth proportional to 912,434.22, 1,368,846.90 and 272,788.02 is: 409,240.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,434.22 : 1,368,846.90 = 272,788.02 : x
  2. Step 2: Convert to fraction form
    912,434.22/1,368,846.90 = 272,788.02/x
  3. Step 3: Cross multiply
    912,434.22x = 1,368,846.90 × 272,788.02
  4. Step 4: Simplify right side
    912,434.22x = 373,405,035,534.14
  5. Step 5: Solve for x
    x = 373,405,035,534.14/912,434.22
  6. Step 6: Final answer
    x = 409,240.50

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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.