Home / 912,254.93-1,368,575.58-272,608.46

Finding the Fourth Proportional to 912,254.93, 1,368,575.58 and 272,608.46

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Solution

The fourth proportional to 912,254.93, 1,368,575.58 and 272,608.46 is: 408,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,254.93 : 1,368,575.58 = 272,608.46 : x
  2. Step 2: Convert to fraction form
    912,254.93/1,368,575.58 = 272,608.46/x
  3. Step 3: Cross multiply
    912,254.93x = 1,368,575.58 × 272,608.46
  4. Step 4: Simplify right side
    912,254.93x = 373,085,281,257.41
  5. Step 5: Solve for x
    x = 373,085,281,257.41/912,254.93
  6. Step 6: Final answer
    x = 408,970.42

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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.