Home / 972,293.40-1,457,200.80-545,828.40

Finding the Fourth Proportional to 972,293.40, 1,457,200.80 and 545,828.40

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Solution

The fourth proportional to 972,293.40, 1,457,200.80 and 545,828.40 is: 818,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,293.40 : 1,457,200.80 = 545,828.40 : x
  2. Step 2: Convert to fraction form
    972,293.40/1,457,200.80 = 545,828.40/x
  3. Step 3: Cross multiply
    972,293.40x = 1,457,200.80 × 545,828.40
  4. Step 4: Simplify right side
    972,293.40x = 795,381,581,142.72
  5. Step 5: Solve for x
    x = 795,381,581,142.72/972,293.40
  6. Step 6: Final answer
    x = 818,046.88

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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.