Home / 730,315.46-1,007,816.72-408,027.98

Finding the Fourth Proportional to 730,315.46, 1,007,816.72 and 408,027.98

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Solution

The fourth proportional to 730,315.46, 1,007,816.72 and 408,027.98 is: 563,068.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,315.46 : 1,007,816.72 = 408,027.98 : x
  2. Step 2: Convert to fraction form
    730,315.46/1,007,816.72 = 408,027.98/x
  3. Step 3: Cross multiply
    730,315.46x = 1,007,816.72 × 408,027.98
  4. Step 4: Simplify right side
    730,315.46x = 411,217,420,471.83
  5. Step 5: Solve for x
    x = 411,217,420,471.83/730,315.46
  6. Step 6: Final answer
    x = 563,068.21

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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.