Home / 761,470.56-1,050,836.52-421,946.16

Finding the Fourth Proportional to 761,470.56, 1,050,836.52 and 421,946.16

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Solution

The fourth proportional to 761,470.56, 1,050,836.52 and 421,946.16 is: 582,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,470.56 : 1,050,836.52 = 421,946.16 : x
  2. Step 2: Convert to fraction form
    761,470.56/1,050,836.52 = 421,946.16/x
  3. Step 3: Cross multiply
    761,470.56x = 1,050,836.52 × 421,946.16
  4. Step 4: Simplify right side
    761,470.56x = 443,396,434,401.76
  5. Step 5: Solve for x
    x = 443,396,434,401.76/761,470.56
  6. Step 6: Final answer
    x = 582,289.66

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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.