Home / 900,549.53-1,242,768.17-492,642.62

Finding the Fourth Proportional to 900,549.53, 1,242,768.17 and 492,642.62

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Solution

The fourth proportional to 900,549.53, 1,242,768.17 and 492,642.62 is: 679,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,549.53 : 1,242,768.17 = 492,642.62 : x
  2. Step 2: Convert to fraction form
    900,549.53/1,242,768.17 = 492,642.62/x
  3. Step 3: Cross multiply
    900,549.53x = 1,242,768.17 × 492,642.62
  4. Step 4: Simplify right side
    900,549.53x = 612,240,558,644.35
  5. Step 5: Solve for x
    x = 612,240,558,644.35/900,549.53
  6. Step 6: Final answer
    x = 679,852.18

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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.