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Finding the Fourth Proportional to 644,094.62, 888,833.67 and 357,607.34

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Solution

The fourth proportional to 644,094.62, 888,833.67 and 357,607.34 is: 493,488.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,094.62 : 888,833.67 = 357,607.34 : x
  2. Step 2: Convert to fraction form
    644,094.62/888,833.67 = 357,607.34/x
  3. Step 3: Cross multiply
    644,094.62x = 888,833.67 × 357,607.34
  4. Step 4: Simplify right side
    644,094.62x = 317,853,445,312.19
  5. Step 5: Solve for x
    x = 317,853,445,312.19/644,094.62
  6. Step 6: Final answer
    x = 493,488.74

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1.5x scale

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.