Home / 752,698.55-1,038,727.15-408,534.98

Finding the Fourth Proportional to 752,698.55, 1,038,727.15 and 408,534.98

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Solution

The fourth proportional to 752,698.55, 1,038,727.15 and 408,534.98 is: 563,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,698.55 : 1,038,727.15 = 408,534.98 : x
  2. Step 2: Convert to fraction form
    752,698.55/1,038,727.15 = 408,534.98/x
  3. Step 3: Cross multiply
    752,698.55x = 1,038,727.15 × 408,534.98
  4. Step 4: Simplify right side
    752,698.55x = 424,356,369,235.73
  5. Step 5: Solve for x
    x = 424,356,369,235.73/752,698.55
  6. Step 6: Final answer
    x = 563,779.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.