Home / 777,889.12-1,167,144.72-334,968.16

Finding the Fourth Proportional to 777,889.12, 1,167,144.72 and 334,968.16

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Solution

The fourth proportional to 777,889.12, 1,167,144.72 and 334,968.16 is: 502,586.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,889.12 : 1,167,144.72 = 334,968.16 : x
  2. Step 2: Convert to fraction form
    777,889.12/1,167,144.72 = 334,968.16/x
  3. Step 3: Cross multiply
    777,889.12x = 1,167,144.72 × 334,968.16
  4. Step 4: Simplify right side
    777,889.12x = 390,956,319,312.12
  5. Step 5: Solve for x
    x = 390,956,319,312.12/777,889.12
  6. Step 6: Final answer
    x = 502,586.18

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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.