Home / 827,045.20-1,240,567.80-624,966.40

Finding the Fourth Proportional to 827,045.20, 1,240,567.80 and 624,966.40

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Solution

The fourth proportional to 827,045.20, 1,240,567.80 and 624,966.40 is: 937,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,045.20 : 1,240,567.80 = 624,966.40 : x
  2. Step 2: Convert to fraction form
    827,045.20/1,240,567.80 = 624,966.40/x
  3. Step 3: Cross multiply
    827,045.20x = 1,240,567.80 × 624,966.40
  4. Step 4: Simplify right side
    827,045.20x = 775,313,191,921.92
  5. Step 5: Solve for x
    x = 775,313,191,921.92/827,045.20
  6. Step 6: Final answer
    x = 937,449.60

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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.