Home / 506,400.96-760,136.76-494,965.32

Finding the Fourth Proportional to 506,400.96, 760,136.76 and 494,965.32

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Solution

The fourth proportional to 506,400.96, 760,136.76 and 494,965.32 is: 742,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,400.96 : 760,136.76 = 494,965.32 : x
  2. Step 2: Convert to fraction form
    506,400.96/760,136.76 = 494,965.32/x
  3. Step 3: Cross multiply
    506,400.96x = 760,136.76 × 494,965.32
  4. Step 4: Simplify right side
    506,400.96x = 376,241,334,657.16
  5. Step 5: Solve for x
    x = 376,241,334,657.16/506,400.96
  6. Step 6: Final answer
    x = 742,971.21

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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.