Home / 903,282.80-1,246,440.48-521,432.60

Finding the Fourth Proportional to 903,282.80, 1,246,440.48 and 521,432.60

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Solution

The fourth proportional to 903,282.80, 1,246,440.48 and 521,432.60 is: 719,525.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,282.80 : 1,246,440.48 = 521,432.60 : x
  2. Step 2: Convert to fraction form
    903,282.80/1,246,440.48 = 521,432.60/x
  3. Step 3: Cross multiply
    903,282.80x = 1,246,440.48 × 521,432.60
  4. Step 4: Simplify right side
    903,282.80x = 649,934,700,231.65
  5. Step 5: Solve for x
    x = 649,934,700,231.65/903,282.80
  6. Step 6: Final answer
    x = 719,525.16

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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.