Home / 500,943.18-690,898.50-440,384.34

Finding the Fourth Proportional to 500,943.18, 690,898.50 and 440,384.34

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Solution

The fourth proportional to 500,943.18, 690,898.50 and 440,384.34 is: 607,376.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,943.18 : 690,898.50 = 440,384.34 : x
  2. Step 2: Convert to fraction form
    500,943.18/690,898.50 = 440,384.34/x
  3. Step 3: Cross multiply
    500,943.18x = 690,898.50 × 440,384.34
  4. Step 4: Simplify right side
    500,943.18x = 304,260,879,929.49
  5. Step 5: Solve for x
    x = 304,260,879,929.49/500,943.18
  6. Step 6: Final answer
    x = 607,376.03

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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.