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Finding the Fourth Proportional to 636,547.62, 878,444.42 and 364,615.37

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Solution

The fourth proportional to 636,547.62, 878,444.42 and 364,615.37 is: 503,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,547.62 : 878,444.42 = 364,615.37 : x
  2. Step 2: Convert to fraction form
    636,547.62/878,444.42 = 364,615.37/x
  3. Step 3: Cross multiply
    636,547.62x = 878,444.42 × 364,615.37
  4. Step 4: Simplify right side
    636,547.62x = 320,294,337,222.74
  5. Step 5: Solve for x
    x = 320,294,337,222.74/636,547.62
  6. Step 6: Final answer
    x = 503,174.20

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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.