Home / 784,999.30-1,083,318.93-440,862.70

Finding the Fourth Proportional to 784,999.30, 1,083,318.93 and 440,862.70

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Solution

The fourth proportional to 784,999.30, 1,083,318.93 and 440,862.70 is: 608,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,999.30 : 1,083,318.93 = 440,862.70 : x
  2. Step 2: Convert to fraction form
    784,999.30/1,083,318.93 = 440,862.70/x
  3. Step 3: Cross multiply
    784,999.30x = 1,083,318.93 × 440,862.70
  4. Step 4: Simplify right side
    784,999.30x = 477,594,908,440.91
  5. Step 5: Solve for x
    x = 477,594,908,440.91/784,999.30
  6. Step 6: Final answer
    x = 608,401.70

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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.