Home / 724,518.90-1,086,782.04-424,789.26

Finding the Fourth Proportional to 724,518.90, 1,086,782.04 and 424,789.26

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Solution

The fourth proportional to 724,518.90, 1,086,782.04 and 424,789.26 is: 637,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,518.90 : 1,086,782.04 = 424,789.26 : x
  2. Step 2: Convert to fraction form
    724,518.90/1,086,782.04 = 424,789.26/x
  3. Step 3: Cross multiply
    724,518.90x = 1,086,782.04 × 424,789.26
  4. Step 4: Simplify right side
    724,518.90x = 461,653,338,552.89
  5. Step 5: Solve for x
    x = 461,653,338,552.89/724,518.90
  6. Step 6: Final answer
    x = 637,186.05

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1.5x scale

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.