Home / 626,532.72-939,782.07-434,219.28

Finding the Fourth Proportional to 626,532.72, 939,782.07 and 434,219.28

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Solution

The fourth proportional to 626,532.72, 939,782.07 and 434,219.28 is: 651,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,532.72 : 939,782.07 = 434,219.28 : x
  2. Step 2: Convert to fraction form
    626,532.72/939,782.07 = 434,219.28/x
  3. Step 3: Cross multiply
    626,532.72x = 939,782.07 × 434,219.28
  4. Step 4: Simplify right side
    626,532.72x = 408,071,493,792.31
  5. Step 5: Solve for x
    x = 408,071,493,792.31/626,532.72
  6. Step 6: Final answer
    x = 651,317.13

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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.