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Finding the Fourth Proportional to 570,864.08, 856,013.88 and 334,266.32

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Solution

The fourth proportional to 570,864.08, 856,013.88 and 334,266.32 is: 501,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,864.08 : 856,013.88 = 334,266.32 : x
  2. Step 2: Convert to fraction form
    570,864.08/856,013.88 = 334,266.32/x
  3. Step 3: Cross multiply
    570,864.08x = 856,013.88 × 334,266.32
  4. Step 4: Simplify right side
    570,864.08x = 286,136,609,536.52
  5. Step 5: Solve for x
    x = 286,136,609,536.52/570,864.08
  6. Step 6: Final answer
    x = 501,234.22

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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.