Home / 674,598.06-1,011,809.34-319,837.50

Finding the Fourth Proportional to 674,598.06, 1,011,809.34 and 319,837.50

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Solution

The fourth proportional to 674,598.06, 1,011,809.34 and 319,837.50 is: 479,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,598.06 : 1,011,809.34 = 319,837.50 : x
  2. Step 2: Convert to fraction form
    674,598.06/1,011,809.34 = 319,837.50/x
  3. Step 3: Cross multiply
    674,598.06x = 1,011,809.34 × 319,837.50
  4. Step 4: Simplify right side
    674,598.06x = 323,614,569,782.25
  5. Step 5: Solve for x
    x = 323,614,569,782.25/674,598.06
  6. Step 6: Final answer
    x = 479,714.65

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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.