Home / 709,444.04-977,369.29-494,194.64

Finding the Fourth Proportional to 709,444.04, 977,369.29 and 494,194.64

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Solution

The fourth proportional to 709,444.04, 977,369.29 and 494,194.64 is: 680,829.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,444.04 : 977,369.29 = 494,194.64 : x
  2. Step 2: Convert to fraction form
    709,444.04/977,369.29 = 494,194.64/x
  3. Step 3: Cross multiply
    709,444.04x = 977,369.29 × 494,194.64
  4. Step 4: Simplify right side
    709,444.04x = 483,010,658,296.27
  5. Step 5: Solve for x
    x = 483,010,658,296.27/709,444.04
  6. Step 6: Final answer
    x = 680,829.83

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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.