Home / 972,848.80-1,459,273.20-262,986.40

Finding the Fourth Proportional to 972,848.80, 1,459,273.20 and 262,986.40

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Solution

The fourth proportional to 972,848.80, 1,459,273.20 and 262,986.40 is: 394,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,848.80 : 1,459,273.20 = 262,986.40 : x
  2. Step 2: Convert to fraction form
    972,848.80/1,459,273.20 = 262,986.40/x
  3. Step 3: Cross multiply
    972,848.80x = 1,459,273.20 × 262,986.40
  4. Step 4: Simplify right side
    972,848.80x = 383,769,005,484.48
  5. Step 5: Solve for x
    x = 383,769,005,484.48/972,848.80
  6. Step 6: Final answer
    x = 394,479.60

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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.